251537580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 324

約数和(自身を含む): 948598560

約数和(自身を除く): 697060980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 79, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 158, 171, 180, 190, 196, 210, 228, 237, 245, 252, 266, 285, 294, 315, 316, 342, 361, 380, 395, 399, 420, 441, 474, 490, 532, 553, 570, 588, 630, 665, 684, 711, 722, 735, 790, 798, 855, 882, 931, 948, 980, 1083, 1106, 1140, 1185, 1197, 1260, 1330, 1422, 1444, 1470, 1501, 1580, 1596, 1659, 1710, 1764, 1805, 1862, 1995, 2166, 2205, 2212, 2370, 2394, 2527, 2660, 2765, 2793, 2844, 2940, 3002, 3249, 3318, 3420, 3555, 3610, 3724, 3871, 3990, 4332, 4410, 4503, 4655, 4740, 4788, 4977, 5054, 5415, 5530, 5586, 5985, 6004, 6498, 6636, 7110, 7220, 7505, 7581, 7742, 7980, 8295, 8379, 8820, 9006, 9310, 9954, 10108, 10507, 10830, 11060, 11172, 11613, 11970, 12635, 12996, 13509, 13965, 14220, 15010, 15162, 15484, 16245, 16590, 16758, 17689, 18012, 18620, 19355, 19908, 21014, 21660, 22515, 22743, 23226, 23940, 24885, 25270, 27018, 27930, 28519, 30020, 30324, 31521, 32490, 33180, 33516, 34839, 35378, 37905, 38710, 41895, 42028, 45030, 45486, 46452, 49770, 50540, 52535, 53067, 54036, 55860, 57038, 58065, 63042, 64980, 67545, 69678, 70756, 73549, 75810, 77420, 83790, 85557, 88445, 90060, 90972, 94563, 99540, 105070, 106134, 113715, 114076, 116130, 126084, 135090, 139356, 142595, 147098, 151620, 157605, 159201, 167580, 171114, 174195, 176890, 189126, 199633, 210140, 212268, 220647, 227430, 232260, 256671, 265335, 270180, 285190, 294196, 315210, 318402, 342228, 348390, 353780, 367745, 378252, 399266, 427785, 441294, 454860, 472815, 513342, 530670, 570380, 598899, 630420, 636804, 661941, 696780, 735490, 796005, 798532, 855570, 882588, 945630, 998165, 1026684, 1061340, 1103235, 1197798, 1283355, 1323882, 1397431, 1470980, 1592010, 1711140, 1796697, 1891260, 1996330, 2206470, 2395596, 2566710, 2647764, 2794862, 2994495, 3184020, 3309705, 3593394, 3992660, 4192293, 4412940, 5133420, 5589724, 5988990, 6619410, 6987155, 7186788, 8384586, 8983485, 11977980, 12576879, 13238820, 13974310, 16769172, 17966970, 20961465, 25153758, 27948620, 35933940, 41922930, 50307516, 62884395, 83845860, 125768790, 251537580]

約数ペア:

[(1, 251537580), (2, 125768790), (3, 83845860), (4, 62884395), (5, 50307516), (6, 41922930), (7, 35933940), (9, 27948620), (10, 25153758), (12, 20961465), (14, 17966970), (15, 16769172), (18, 13974310), (19, 13238820), (20, 12576879), (21, 11977980), (28, 8983485), (30, 8384586), (35, 7186788), (36, 6987155), (38, 6619410), (42, 5988990), (45, 5589724), (49, 5133420), (57, 4412940), (60, 4192293), (63, 3992660), (70, 3593394), (76, 3309705), (79, 3184020), (84, 2994495), (90, 2794862), (95, 2647764), (98, 2566710), (105, 2395596), (114, 2206470), (126, 1996330), (133, 1891260), (140, 1796697), (147, 1711140), (158, 1592010), (171, 1470980), (180, 1397431), (190, 1323882), (196, 1283355), (210, 1197798), (228, 1103235), (237, 1061340), (245, 1026684), (252, 998165), (266, 945630), (285, 882588), (294, 855570), (315, 798532), (316, 796005), (342, 735490), (361, 696780), (380, 661941), (395, 636804), (399, 630420), (420, 598899), (441, 570380), (474, 530670), (490, 513342), (532, 472815), (553, 454860), (570, 441294), (588, 427785), (630, 399266), (665, 378252), (684, 367745), (711, 353780), (722, 348390), (735, 342228), (790, 318402), (798, 315210), (855, 294196), (882, 285190), (931, 270180), (948, 265335), (980, 256671), (1083, 232260), (1106, 227430), (1140, 220647), (1185, 212268), (1197, 210140), (1260, 199633), (1330, 189126), (1422, 176890), (1444, 174195), (1470, 171114), (1501, 167580), (1580, 159201), (1596, 157605), (1659, 151620), (1710, 147098), (1764, 142595), (1805, 139356), (1862, 135090), (1995, 126084), (2166, 116130), (2205, 114076), (2212, 113715), (2370, 106134), (2394, 105070), (2527, 99540), (2660, 94563), (2765, 90972), (2793, 90060), (2844, 88445), (2940, 85557), (3002, 83790), (3249, 77420), (3318, 75810), (3420, 73549), (3555, 70756), (3610, 69678), (3724, 67545), (3871, 64980), (3990, 63042), (4332, 58065), (4410, 57038), (4503, 55860), (4655, 54036), (4740, 53067), (4788, 52535), (4977, 50540), (5054, 49770), (5415, 46452), (5530, 45486), (5586, 45030), (5985, 42028), (6004, 41895), (6498, 38710), (6636, 37905), (7110, 35378), (7220, 34839), (7505, 33516), (7581, 33180), (7742, 32490), (7980, 31521), (8295, 30324), (8379, 30020), (8820, 28519), (9006, 27930), (9310, 27018), (9954, 25270), (10108, 24885), (10507, 23940), (10830, 23226), (11060, 22743), (11172, 22515), (11613, 21660), (11970, 21014), (12635, 19908), (12996, 19355), (13509, 18620), (13965, 18012), (14220, 17689), (15010, 16758), (15162, 16590), (15484, 16245)]