399443160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 1226741760

約数和(自身を除く): 827298600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 173, 213, 271, 284, 346, 355, 426, 519, 542, 568, 692, 710, 813, 852, 865, 1038, 1065, 1084, 1355, 1384, 1420, 1626, 1704, 1730, 2076, 2130, 2168, 2595, 2710, 2840, 3252, 3460, 4065, 4152, 4260, 5190, 5420, 6504, 6920, 8130, 8520, 10380, 10840, 12283, 16260, 19241, 20760, 24566, 32520, 36849, 38482, 46883, 49132, 57723, 61415, 73698, 76964, 93766, 96205, 98264, 115446, 122830, 140649, 147396, 153928, 184245, 187532, 192410, 230892, 234415, 245660, 281298, 288615, 294792, 368490, 375064, 384820, 461784, 468830, 491320, 562596, 577230, 703245, 736980, 769640, 937660, 1125192, 1154460, 1406490, 1473960, 1875320, 2308920, 2812980, 3328693, 5625960, 6657386, 9986079, 13314772, 16643465, 19972158, 26629544, 33286930, 39944316, 49930395, 66573860, 79888632, 99860790, 133147720, 199721580, 399443160]

約数ペア:

[(1, 399443160), (2, 199721580), (3, 133147720), (4, 99860790), (5, 79888632), (6, 66573860), (8, 49930395), (10, 39944316), (12, 33286930), (15, 26629544), (20, 19972158), (24, 16643465), (30, 13314772), (40, 9986079), (60, 6657386), (71, 5625960), (120, 3328693), (142, 2812980), (173, 2308920), (213, 1875320), (271, 1473960), (284, 1406490), (346, 1154460), (355, 1125192), (426, 937660), (519, 769640), (542, 736980), (568, 703245), (692, 577230), (710, 562596), (813, 491320), (852, 468830), (865, 461784), (1038, 384820), (1065, 375064), (1084, 368490), (1355, 294792), (1384, 288615), (1420, 281298), (1626, 245660), (1704, 234415), (1730, 230892), (2076, 192410), (2130, 187532), (2168, 184245), (2595, 153928), (2710, 147396), (2840, 140649), (3252, 122830), (3460, 115446), (4065, 98264), (4152, 96205), (4260, 93766), (5190, 76964), (5420, 73698), (6504, 61415), (6920, 57723), (8130, 49132), (8520, 46883), (10380, 38482), (10840, 36849), (12283, 32520), (16260, 24566), (19241, 20760)]