405809880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1153}}^1$

素因数の和:1593

約数の個数: 128

約数和(自身を含む): 1395878400

約数和(自身を除く): 990068520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 419, 420, 838, 840, 1153, 1257, 1676, 2095, 2306, 2514, 2933, 3352, 3459, 4190, 4612, 5028, 5765, 5866, 6285, 6918, 8071, 8380, 8799, 9224, 10056, 11530, 11732, 12570, 13836, 14665, 16142, 16760, 17295, 17598, 23060, 23464, 24213, 25140, 27672, 29330, 32284, 34590, 35196, 40355, 43995, 46120, 48426, 50280, 58660, 64568, 69180, 70392, 80710, 87990, 96852, 117320, 121065, 138360, 161420, 175980, 193704, 242130, 322840, 351960, 483107, 484260, 966214, 968520, 1449321, 1932428, 2415535, 2898642, 3381749, 3864856, 4831070, 5797284, 6763498, 7246605, 9662140, 10145247, 11594568, 13526996, 14493210, 16908745, 19324280, 20290494, 27053992, 28986420, 33817490, 40580988, 50726235, 57972840, 67634980, 81161976, 101452470, 135269960, 202904940, 405809880]

約数ペア:

[(1, 405809880), (2, 202904940), (3, 135269960), (4, 101452470), (5, 81161976), (6, 67634980), (7, 57972840), (8, 50726235), (10, 40580988), (12, 33817490), (14, 28986420), (15, 27053992), (20, 20290494), (21, 19324280), (24, 16908745), (28, 14493210), (30, 13526996), (35, 11594568), (40, 10145247), (42, 9662140), (56, 7246605), (60, 6763498), (70, 5797284), (84, 4831070), (105, 3864856), (120, 3381749), (140, 2898642), (168, 2415535), (210, 1932428), (280, 1449321), (419, 968520), (420, 966214), (838, 484260), (840, 483107), (1153, 351960), (1257, 322840), (1676, 242130), (2095, 193704), (2306, 175980), (2514, 161420), (2933, 138360), (3352, 121065), (3459, 117320), (4190, 96852), (4612, 87990), (5028, 80710), (5765, 70392), (5866, 69180), (6285, 64568), (6918, 58660), (8071, 50280), (8380, 48426), (8799, 46120), (9224, 43995), (10056, 40355), (11530, 35196), (11732, 34590), (12570, 32284), (13836, 29330), (14665, 27672), (16142, 25140), (16760, 24213), (17295, 23464), (17598, 23060)]