205223280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1039}}^1$

素因数の和:1878

約数の個数: 80

約数和(自身を含む): 637578240

約数和(自身を除く): 432354960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 823, 1039, 1646, 2078, 2469, 3117, 3292, 4115, 4156, 4938, 5195, 6234, 6584, 8230, 8312, 9876, 10390, 12345, 12468, 13168, 15585, 16460, 16624, 19752, 20780, 24690, 24936, 31170, 32920, 39504, 41560, 49380, 49872, 62340, 65840, 83120, 98760, 124680, 197520, 249360, 855097, 1710194, 2565291, 3420388, 4275485, 5130582, 6840776, 8550970, 10261164, 12826455, 13681552, 17101940, 20522328, 25652910, 34203880, 41044656, 51305820, 68407760, 102611640, 205223280]

約数ペア:

[(1, 205223280), (2, 102611640), (3, 68407760), (4, 51305820), (5, 41044656), (6, 34203880), (8, 25652910), (10, 20522328), (12, 17101940), (15, 13681552), (16, 12826455), (20, 10261164), (24, 8550970), (30, 6840776), (40, 5130582), (48, 4275485), (60, 3420388), (80, 2565291), (120, 1710194), (240, 855097), (823, 249360), (1039, 197520), (1646, 124680), (2078, 98760), (2469, 83120), (3117, 65840), (3292, 62340), (4115, 49872), (4156, 49380), (4938, 41560), (5195, 39504), (6234, 32920), (6584, 31170), (8230, 24936), (8312, 24690), (9876, 20780), (10390, 19752), (12345, 16624), (12468, 16460), (13168, 15585)]