31501890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1664

約数の個数: 96

約数和(自身を含む): 96685056

約数和(自身を除く): 65183166

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1302, 1395, 1613, 1953, 2170, 2790, 3226, 3255, 3906, 4839, 6510, 8065, 9678, 9765, 11291, 14517, 16130, 19530, 22582, 24195, 29034, 33873, 48390, 50003, 56455, 67746, 72585, 100006, 101619, 112910, 145170, 150009, 169365, 203238, 250015, 300018, 338730, 350021, 450027, 500030, 508095, 700042, 750045, 900054, 1016190, 1050063, 1500090, 1750105, 2100126, 2250135, 3150189, 3500210, 4500270, 5250315, 6300378, 10500630, 15750945, 31501890]

約数ペア:

[(1, 31501890), (2, 15750945), (3, 10500630), (5, 6300378), (6, 5250315), (7, 4500270), (9, 3500210), (10, 3150189), (14, 2250135), (15, 2100126), (18, 1750105), (21, 1500090), (30, 1050063), (31, 1016190), (35, 900054), (42, 750045), (45, 700042), (62, 508095), (63, 500030), (70, 450027), (90, 350021), (93, 338730), (105, 300018), (126, 250015), (155, 203238), (186, 169365), (210, 150009), (217, 145170), (279, 112910), (310, 101619), (315, 100006), (434, 72585), (465, 67746), (558, 56455), (630, 50003), (651, 48390), (930, 33873), (1085, 29034), (1302, 24195), (1395, 22582), (1613, 19530), (1953, 16130), (2170, 14517), (2790, 11291), (3226, 9765), (3255, 9678), (3906, 8065), (4839, 6510)]