72807540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 220993920

約数和(自身を除く): 148186380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 269, 347, 390, 538, 694, 780, 807, 1041, 1076, 1345, 1388, 1614, 1735, 2082, 2690, 3228, 3470, 3497, 4035, 4164, 4511, 5205, 5380, 6940, 6994, 8070, 9022, 10410, 10491, 13533, 13988, 16140, 17485, 18044, 20820, 20982, 22555, 27066, 34970, 41964, 45110, 52455, 54132, 67665, 69940, 90220, 93343, 104910, 135330, 186686, 209820, 270660, 280029, 373372, 466715, 560058, 933430, 1120116, 1213459, 1400145, 1866860, 2426918, 2800290, 3640377, 4853836, 5600580, 6067295, 7280754, 12134590, 14561508, 18201885, 24269180, 36403770, 72807540]

約数ペア:

[(1, 72807540), (2, 36403770), (3, 24269180), (4, 18201885), (5, 14561508), (6, 12134590), (10, 7280754), (12, 6067295), (13, 5600580), (15, 4853836), (20, 3640377), (26, 2800290), (30, 2426918), (39, 1866860), (52, 1400145), (60, 1213459), (65, 1120116), (78, 933430), (130, 560058), (156, 466715), (195, 373372), (260, 280029), (269, 270660), (347, 209820), (390, 186686), (538, 135330), (694, 104910), (780, 93343), (807, 90220), (1041, 69940), (1076, 67665), (1345, 54132), (1388, 52455), (1614, 45110), (1735, 41964), (2082, 34970), (2690, 27066), (3228, 22555), (3470, 20982), (3497, 20820), (4035, 18044), (4164, 17485), (4511, 16140), (5205, 13988), (5380, 13533), (6940, 10491), (6994, 10410), (8070, 9022)]