281977860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 877363200

約数和(自身を除く): 595385340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 79, 93, 95, 101, 114, 124, 155, 158, 186, 190, 202, 228, 237, 285, 303, 310, 316, 372, 380, 395, 404, 465, 474, 505, 570, 589, 606, 620, 790, 930, 948, 1010, 1140, 1178, 1185, 1212, 1501, 1515, 1580, 1767, 1860, 1919, 2020, 2356, 2370, 2449, 2945, 3002, 3030, 3131, 3534, 3838, 4503, 4740, 4898, 5757, 5890, 6004, 6060, 6262, 7068, 7347, 7505, 7676, 7979, 8835, 9006, 9393, 9595, 9796, 11514, 11780, 12245, 12524, 14694, 15010, 15655, 15958, 17670, 18012, 18786, 19190, 22515, 23028, 23937, 24490, 28785, 29388, 30020, 31310, 31916, 35340, 36735, 37572, 38380, 39895, 45030, 46531, 46965, 47874, 48980, 57570, 59489, 62620, 73470, 79790, 90060, 93062, 93930, 95748, 115140, 118978, 119685, 139593, 146940, 151601, 159580, 178467, 186124, 187860, 232655, 237956, 239370, 247349, 279186, 297445, 303202, 356934, 454803, 465310, 478740, 494698, 558372, 594890, 606404, 697965, 713868, 742047, 758005, 892335, 909606, 930620, 989396, 1189780, 1236745, 1395930, 1484094, 1516010, 1784670, 1819212, 2274015, 2473490, 2791860, 2968188, 3032020, 3569340, 3710235, 4548030, 4699631, 4946980, 7420470, 9096060, 9399262, 14098893, 14840940, 18798524, 23498155, 28197786, 46996310, 56395572, 70494465, 93992620, 140988930, 281977860]

約数ペア:

[(1, 281977860), (2, 140988930), (3, 93992620), (4, 70494465), (5, 56395572), (6, 46996310), (10, 28197786), (12, 23498155), (15, 18798524), (19, 14840940), (20, 14098893), (30, 9399262), (31, 9096060), (38, 7420470), (57, 4946980), (60, 4699631), (62, 4548030), (76, 3710235), (79, 3569340), (93, 3032020), (95, 2968188), (101, 2791860), (114, 2473490), (124, 2274015), (155, 1819212), (158, 1784670), (186, 1516010), (190, 1484094), (202, 1395930), (228, 1236745), (237, 1189780), (285, 989396), (303, 930620), (310, 909606), (316, 892335), (372, 758005), (380, 742047), (395, 713868), (404, 697965), (465, 606404), (474, 594890), (505, 558372), (570, 494698), (589, 478740), (606, 465310), (620, 454803), (790, 356934), (930, 303202), (948, 297445), (1010, 279186), (1140, 247349), (1178, 239370), (1185, 237956), (1212, 232655), (1501, 187860), (1515, 186124), (1580, 178467), (1767, 159580), (1860, 151601), (1919, 146940), (2020, 139593), (2356, 119685), (2370, 118978), (2449, 115140), (2945, 95748), (3002, 93930), (3030, 93062), (3131, 90060), (3534, 79790), (3838, 73470), (4503, 62620), (4740, 59489), (4898, 57570), (5757, 48980), (5890, 47874), (6004, 46965), (6060, 46531), (6262, 45030), (7068, 39895), (7347, 38380), (7505, 37572), (7676, 36735), (7979, 35340), (8835, 31916), (9006, 31310), (9393, 30020), (9595, 29388), (9796, 28785), (11514, 24490), (11780, 23937), (12245, 23028), (12524, 22515), (14694, 19190), (15010, 18786), (15655, 18012), (15958, 17670)]