1552807980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1128

約数の個数: 144

約数和(自身を含む): 4881047808

約数和(自身を除く): 3328239828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 421, 465, 558, 620, 661, 842, 930, 1116, 1263, 1322, 1395, 1684, 1860, 1983, 2105, 2526, 2644, 2790, 3305, 3789, 3966, 4210, 5052, 5580, 5949, 6315, 6610, 7578, 7932, 8420, 9915, 11898, 12630, 13051, 13220, 15156, 18945, 19830, 20491, 23796, 25260, 26102, 29745, 37890, 39153, 39660, 40982, 52204, 59490, 61473, 65255, 75780, 78306, 81964, 102455, 117459, 118980, 122946, 130510, 156612, 184419, 195765, 204910, 234918, 245892, 261020, 278281, 307365, 368838, 391530, 409820, 469836, 556562, 587295, 614730, 737676, 783060, 834843, 922095, 1113124, 1174590, 1229460, 1391405, 1669686, 1844190, 2349180, 2504529, 2782810, 3339372, 3688380, 4174215, 5009058, 5565620, 8348430, 8626711, 10018116, 12522645, 16696860, 17253422, 25045290, 25880133, 34506844, 43133555, 50090580, 51760266, 77640399, 86267110, 103520532, 129400665, 155280798, 172534220, 258801330, 310561596, 388201995, 517602660, 776403990, 1552807980]

約数ペア:

[(1, 1552807980), (2, 776403990), (3, 517602660), (4, 388201995), (5, 310561596), (6, 258801330), (9, 172534220), (10, 155280798), (12, 129400665), (15, 103520532), (18, 86267110), (20, 77640399), (30, 51760266), (31, 50090580), (36, 43133555), (45, 34506844), (60, 25880133), (62, 25045290), (90, 17253422), (93, 16696860), (124, 12522645), (155, 10018116), (180, 8626711), (186, 8348430), (279, 5565620), (310, 5009058), (372, 4174215), (421, 3688380), (465, 3339372), (558, 2782810), (620, 2504529), (661, 2349180), (842, 1844190), (930, 1669686), (1116, 1391405), (1263, 1229460), (1322, 1174590), (1395, 1113124), (1684, 922095), (1860, 834843), (1983, 783060), (2105, 737676), (2526, 614730), (2644, 587295), (2790, 556562), (3305, 469836), (3789, 409820), (3966, 391530), (4210, 368838), (5052, 307365), (5580, 278281), (5949, 261020), (6315, 245892), (6610, 234918), (7578, 204910), (7932, 195765), (8420, 184419), (9915, 156612), (11898, 130510), (12630, 122946), (13051, 118980), (13220, 117459), (15156, 102455), (18945, 81964), (19830, 78306), (20491, 75780), (23796, 65255), (25260, 61473), (26102, 59490), (29745, 52204), (37890, 40982), (39153, 39660)]