256214580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 735799680

約数和(自身を除く): 479585100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 157, 177, 236, 295, 314, 354, 461, 471, 590, 628, 708, 785, 885, 922, 942, 1180, 1383, 1570, 1770, 1844, 1884, 2305, 2355, 2766, 3140, 3540, 4610, 4710, 5532, 6915, 9220, 9263, 9420, 13830, 18526, 27199, 27660, 27789, 37052, 46315, 54398, 55578, 72377, 81597, 92630, 108796, 111156, 135995, 138945, 144754, 163194, 185260, 217131, 271990, 277890, 289508, 326388, 361885, 407985, 434262, 543980, 555780, 723770, 815970, 868524, 1085655, 1447540, 1631940, 2171310, 4270243, 4342620, 8540486, 12810729, 17080972, 21351215, 25621458, 42702430, 51242916, 64053645, 85404860, 128107290, 256214580]

約数ペア:

[(1, 256214580), (2, 128107290), (3, 85404860), (4, 64053645), (5, 51242916), (6, 42702430), (10, 25621458), (12, 21351215), (15, 17080972), (20, 12810729), (30, 8540486), (59, 4342620), (60, 4270243), (118, 2171310), (157, 1631940), (177, 1447540), (236, 1085655), (295, 868524), (314, 815970), (354, 723770), (461, 555780), (471, 543980), (590, 434262), (628, 407985), (708, 361885), (785, 326388), (885, 289508), (922, 277890), (942, 271990), (1180, 217131), (1383, 185260), (1570, 163194), (1770, 144754), (1844, 138945), (1884, 135995), (2305, 111156), (2355, 108796), (2766, 92630), (3140, 81597), (3540, 72377), (4610, 55578), (4710, 54398), (5532, 46315), (6915, 37052), (9220, 27789), (9263, 27660), (9420, 27199), (13830, 18526)]