71867880

素因数分解:

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

素因数の和:141

約数の個数: 288

約数和(自身を含む): 285292800

約数和(自身を除く): 213424920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 79, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 158, 168, 171, 180, 190, 210, 228, 237, 252, 266, 280, 285, 315, 316, 342, 360, 361, 380, 395, 399, 420, 456, 474, 504, 532, 553, 570, 630, 632, 665, 684, 711, 722, 760, 790, 798, 840, 855, 948, 1064, 1083, 1106, 1140, 1185, 1197, 1260, 1330, 1368, 1422, 1444, 1501, 1580, 1596, 1659, 1710, 1805, 1896, 1995, 2166, 2212, 2280, 2370, 2394, 2520, 2527, 2660, 2765, 2844, 2888, 3002, 3160, 3192, 3249, 3318, 3420, 3555, 3610, 3990, 4332, 4424, 4503, 4740, 4788, 4977, 5054, 5320, 5415, 5530, 5688, 5985, 6004, 6498, 6636, 6840, 7110, 7220, 7505, 7581, 7980, 8295, 8664, 9006, 9480, 9576, 9954, 10108, 10507, 10830, 11060, 11970, 12008, 12635, 12996, 13272, 13509, 14220, 14440, 15010, 15162, 15960, 16245, 16590, 18012, 19908, 20216, 21014, 21660, 22120, 22515, 22743, 23940, 24885, 25270, 25992, 27018, 28440, 28519, 30020, 30324, 31521, 32490, 33180, 36024, 37905, 39816, 42028, 43320, 45030, 45486, 47880, 49770, 50540, 52535, 54036, 57038, 60040, 60648, 63042, 64980, 66360, 67545, 75810, 84056, 85557, 90060, 90972, 94563, 99540, 101080, 105070, 108072, 113715, 114076, 126084, 129960, 135090, 142595, 151620, 157605, 171114, 180120, 181944, 189126, 199080, 199633, 210140, 227430, 228152, 252168, 256671, 270180, 285190, 303240, 315210, 342228, 378252, 399266, 420280, 427785, 454860, 472815, 513342, 540360, 570380, 598899, 630420, 684456, 756504, 798532, 855570, 909720, 945630, 998165, 1026684, 1140760, 1197798, 1260840, 1283355, 1597064, 1711140, 1796697, 1891260, 1996330, 2053368, 2395596, 2566710, 2994495, 3422280, 3593394, 3782520, 3992660, 4791192, 5133420, 5988990, 7186788, 7985320, 8983485, 10266840, 11977980, 14373576, 17966970, 23955960, 35933940, 71867880]

約数ペア:

[(1, 71867880), (2, 35933940), (3, 23955960), (4, 17966970), (5, 14373576), (6, 11977980), (7, 10266840), (8, 8983485), (9, 7985320), (10, 7186788), (12, 5988990), (14, 5133420), (15, 4791192), (18, 3992660), (19, 3782520), (20, 3593394), (21, 3422280), (24, 2994495), (28, 2566710), (30, 2395596), (35, 2053368), (36, 1996330), (38, 1891260), (40, 1796697), (42, 1711140), (45, 1597064), (56, 1283355), (57, 1260840), (60, 1197798), (63, 1140760), (70, 1026684), (72, 998165), (76, 945630), (79, 909720), (84, 855570), (90, 798532), (95, 756504), (105, 684456), (114, 630420), (120, 598899), (126, 570380), (133, 540360), (140, 513342), (152, 472815), (158, 454860), (168, 427785), (171, 420280), (180, 399266), (190, 378252), (210, 342228), (228, 315210), (237, 303240), (252, 285190), (266, 270180), (280, 256671), (285, 252168), (315, 228152), (316, 227430), (342, 210140), (360, 199633), (361, 199080), (380, 189126), (395, 181944), (399, 180120), (420, 171114), (456, 157605), (474, 151620), (504, 142595), (532, 135090), (553, 129960), (570, 126084), (630, 114076), (632, 113715), (665, 108072), (684, 105070), (711, 101080), (722, 99540), (760, 94563), (790, 90972), (798, 90060), (840, 85557), (855, 84056), (948, 75810), (1064, 67545), (1083, 66360), (1106, 64980), (1140, 63042), (1185, 60648), (1197, 60040), (1260, 57038), (1330, 54036), (1368, 52535), (1422, 50540), (1444, 49770), (1501, 47880), (1580, 45486), (1596, 45030), (1659, 43320), (1710, 42028), (1805, 39816), (1896, 37905), (1995, 36024), (2166, 33180), (2212, 32490), (2280, 31521), (2370, 30324), (2394, 30020), (2520, 28519), (2527, 28440), (2660, 27018), (2765, 25992), (2844, 25270), (2888, 24885), (3002, 23940), (3160, 22743), (3192, 22515), (3249, 22120), (3318, 21660), (3420, 21014), (3555, 20216), (3610, 19908), (3990, 18012), (4332, 16590), (4424, 16245), (4503, 15960), (4740, 15162), (4788, 15010), (4977, 14440), (5054, 14220), (5320, 13509), (5415, 13272), (5530, 12996), (5688, 12635), (5985, 12008), (6004, 11970), (6498, 11060), (6636, 10830), (6840, 10507), (7110, 10108), (7220, 9954), (7505, 9576), (7581, 9480), (7980, 9006), (8295, 8664)]