280026180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 288

約数和(自身を含む): 1068681600

約数和(自身を除く): 788655420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 315, 342, 378, 380, 399, 420, 441, 490, 513, 532, 540, 557, 570, 588, 630, 665, 684, 735, 756, 798, 855, 882, 931, 945, 980, 1026, 1114, 1140, 1197, 1260, 1323, 1330, 1470, 1596, 1671, 1710, 1764, 1862, 1890, 1995, 2052, 2205, 2228, 2394, 2565, 2646, 2660, 2785, 2793, 2940, 3342, 3420, 3591, 3724, 3780, 3899, 3990, 4410, 4655, 4788, 5013, 5130, 5292, 5570, 5586, 5985, 6615, 6684, 7182, 7798, 7980, 8355, 8379, 8820, 9310, 10026, 10260, 10583, 11140, 11172, 11697, 11970, 13230, 13965, 14364, 15039, 15596, 16710, 16758, 17955, 18620, 19495, 20052, 21166, 23394, 23940, 25065, 25137, 26460, 27293, 27930, 30078, 31749, 33420, 33516, 35091, 35910, 38990, 41895, 42332, 46788, 50130, 50274, 52915, 54586, 55860, 58485, 60156, 63498, 70182, 71820, 74081, 75195, 77980, 81879, 83790, 95247, 100260, 100548, 105273, 105830, 109172, 116970, 125685, 126996, 136465, 140364, 148162, 150390, 158745, 163758, 167580, 175455, 190494, 210546, 211660, 222243, 233940, 245637, 251370, 272930, 285741, 296324, 300780, 317490, 327516, 350910, 370405, 380988, 409395, 421092, 444486, 476235, 491274, 502740, 518567, 526365, 545860, 571482, 634980, 666729, 701820, 736911, 740810, 818790, 888972, 952470, 982548, 1037134, 1052730, 1111215, 1142964, 1228185, 1333458, 1428705, 1473822, 1481620, 1555701, 1637580, 1904940, 2000187, 2074268, 2105460, 2222430, 2456370, 2592835, 2666916, 2857410, 2947644, 3111402, 3333645, 3684555, 4000374, 4444860, 4667103, 4912740, 5185670, 5714820, 6222804, 6667290, 7369110, 7778505, 8000748, 9334206, 10000935, 10371340, 13334580, 14001309, 14738220, 15557010, 18668412, 20001870, 23335515, 28002618, 31114020, 40003740, 46671030, 56005236, 70006545, 93342060, 140013090, 280026180]

約数ペア:

[(1, 280026180), (2, 140013090), (3, 93342060), (4, 70006545), (5, 56005236), (6, 46671030), (7, 40003740), (9, 31114020), (10, 28002618), (12, 23335515), (14, 20001870), (15, 18668412), (18, 15557010), (19, 14738220), (20, 14001309), (21, 13334580), (27, 10371340), (28, 10000935), (30, 9334206), (35, 8000748), (36, 7778505), (38, 7369110), (42, 6667290), (45, 6222804), (49, 5714820), (54, 5185670), (57, 4912740), (60, 4667103), (63, 4444860), (70, 4000374), (76, 3684555), (84, 3333645), (90, 3111402), (95, 2947644), (98, 2857410), (105, 2666916), (108, 2592835), (114, 2456370), (126, 2222430), (133, 2105460), (135, 2074268), (140, 2000187), (147, 1904940), (171, 1637580), (180, 1555701), (189, 1481620), (190, 1473822), (196, 1428705), (210, 1333458), (228, 1228185), (245, 1142964), (252, 1111215), (266, 1052730), (270, 1037134), (285, 982548), (294, 952470), (315, 888972), (342, 818790), (378, 740810), (380, 736911), (399, 701820), (420, 666729), (441, 634980), (490, 571482), (513, 545860), (532, 526365), (540, 518567), (557, 502740), (570, 491274), (588, 476235), (630, 444486), (665, 421092), (684, 409395), (735, 380988), (756, 370405), (798, 350910), (855, 327516), (882, 317490), (931, 300780), (945, 296324), (980, 285741), (1026, 272930), (1114, 251370), (1140, 245637), (1197, 233940), (1260, 222243), (1323, 211660), (1330, 210546), (1470, 190494), (1596, 175455), (1671, 167580), (1710, 163758), (1764, 158745), (1862, 150390), (1890, 148162), (1995, 140364), (2052, 136465), (2205, 126996), (2228, 125685), (2394, 116970), (2565, 109172), (2646, 105830), (2660, 105273), (2785, 100548), (2793, 100260), (2940, 95247), (3342, 83790), (3420, 81879), (3591, 77980), (3724, 75195), (3780, 74081), (3899, 71820), (3990, 70182), (4410, 63498), (4655, 60156), (4788, 58485), (5013, 55860), (5130, 54586), (5292, 52915), (5570, 50274), (5586, 50130), (5985, 46788), (6615, 42332), (6684, 41895), (7182, 38990), (7798, 35910), (7980, 35091), (8355, 33516), (8379, 33420), (8820, 31749), (9310, 30078), (10026, 27930), (10260, 27293), (10583, 26460), (11140, 25137), (11172, 25065), (11697, 23940), (11970, 23394), (13230, 21166), (13965, 20052), (14364, 19495), (15039, 18620), (15596, 17955), (16710, 16758)]