251051580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6311}}^1$

素因数の和:6356

約数の個数: 144

約数和(自身を含む): 868480704

約数和(自身を除く): 617429124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6311, 6630, 7956, 9945, 12622, 13260, 18933, 19890, 25244, 31555, 37866, 39780, 56799, 63110, 75732, 82043, 94665, 107287, 113598, 126220, 164086, 189330, 214574, 227196, 246129, 283995, 321861, 328172, 378660, 410215, 429148, 492258, 536435, 567990, 643722, 738387, 820430, 965583, 984516, 1072870, 1135980, 1230645, 1287444, 1394731, 1476774, 1609305, 1640860, 1931166, 2145740, 2461290, 2789462, 2953548, 3218610, 3691935, 3862332, 4184193, 4827915, 4922580, 5578924, 6437220, 6973655, 7383870, 8368386, 9655830, 12552579, 13947310, 14767740, 16736772, 19311660, 20920965, 25105158, 27894620, 41841930, 50210316, 62762895, 83683860, 125525790, 251051580]

約数ペア:

[(1, 251051580), (2, 125525790), (3, 83683860), (4, 62762895), (5, 50210316), (6, 41841930), (9, 27894620), (10, 25105158), (12, 20920965), (13, 19311660), (15, 16736772), (17, 14767740), (18, 13947310), (20, 12552579), (26, 9655830), (30, 8368386), (34, 7383870), (36, 6973655), (39, 6437220), (45, 5578924), (51, 4922580), (52, 4827915), (60, 4184193), (65, 3862332), (68, 3691935), (78, 3218610), (85, 2953548), (90, 2789462), (102, 2461290), (117, 2145740), (130, 1931166), (153, 1640860), (156, 1609305), (170, 1476774), (180, 1394731), (195, 1287444), (204, 1230645), (221, 1135980), (234, 1072870), (255, 984516), (260, 965583), (306, 820430), (340, 738387), (390, 643722), (442, 567990), (468, 536435), (510, 492258), (585, 429148), (612, 410215), (663, 378660), (765, 328172), (780, 321861), (884, 283995), (1020, 246129), (1105, 227196), (1170, 214574), (1326, 189330), (1530, 164086), (1989, 126220), (2210, 113598), (2340, 107287), (2652, 94665), (3060, 82043), (3315, 75732), (3978, 63110), (4420, 56799), (6311, 39780), (6630, 37866), (7956, 31555), (9945, 25244), (12622, 19890), (13260, 18933)]