631423260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1811}}^1$

素因数の和:1988

約数の個数: 144

約数和(自身を含む): 2077639200

約数和(自身を除く): 1446215940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 149, 156, 180, 195, 234, 260, 298, 390, 447, 468, 585, 596, 745, 780, 894, 1170, 1341, 1490, 1788, 1811, 1937, 2235, 2340, 2682, 2980, 3622, 3874, 4470, 5364, 5433, 5811, 6705, 7244, 7748, 8940, 9055, 9685, 10866, 11622, 13410, 16299, 17433, 18110, 19370, 21732, 23244, 23543, 26820, 27165, 29055, 32598, 34866, 36220, 38740, 47086, 54330, 58110, 65196, 69732, 70629, 81495, 87165, 94172, 108660, 116220, 117715, 141258, 162990, 174330, 211887, 235430, 269839, 282516, 325980, 348660, 353145, 423774, 470860, 539678, 706290, 809517, 847548, 1059435, 1079356, 1349195, 1412580, 1619034, 2118870, 2428551, 2698390, 3238068, 3507907, 4047585, 4237740, 4857102, 5396780, 7015814, 8095170, 9714204, 10523721, 12142755, 14031628, 16190340, 17539535, 21047442, 24285510, 31571163, 35079070, 42094884, 48571020, 52618605, 63142326, 70158140, 105237210, 126284652, 157855815, 210474420, 315711630, 631423260]

約数ペア:

[(1, 631423260), (2, 315711630), (3, 210474420), (4, 157855815), (5, 126284652), (6, 105237210), (9, 70158140), (10, 63142326), (12, 52618605), (13, 48571020), (15, 42094884), (18, 35079070), (20, 31571163), (26, 24285510), (30, 21047442), (36, 17539535), (39, 16190340), (45, 14031628), (52, 12142755), (60, 10523721), (65, 9714204), (78, 8095170), (90, 7015814), (117, 5396780), (130, 4857102), (149, 4237740), (156, 4047585), (180, 3507907), (195, 3238068), (234, 2698390), (260, 2428551), (298, 2118870), (390, 1619034), (447, 1412580), (468, 1349195), (585, 1079356), (596, 1059435), (745, 847548), (780, 809517), (894, 706290), (1170, 539678), (1341, 470860), (1490, 423774), (1788, 353145), (1811, 348660), (1937, 325980), (2235, 282516), (2340, 269839), (2682, 235430), (2980, 211887), (3622, 174330), (3874, 162990), (4470, 141258), (5364, 117715), (5433, 116220), (5811, 108660), (6705, 94172), (7244, 87165), (7748, 81495), (8940, 70629), (9055, 69732), (9685, 65196), (10866, 58110), (11622, 54330), (13410, 47086), (16299, 38740), (17433, 36220), (18110, 34866), (19370, 32598), (21732, 29055), (23244, 27165), (23543, 26820)]