72840716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 150911376

約数和(自身を除く): 78070660

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 131, 148, 221, 262, 289, 442, 481, 524, 578, 629, 884, 962, 1156, 1258, 1703, 1924, 2227, 2516, 3406, 3757, 4454, 4847, 6812, 7514, 8177, 8908, 9694, 10693, 15028, 16354, 19388, 21386, 28951, 32708, 37859, 42772, 57902, 63011, 75718, 82399, 115804, 126022, 139009, 151436, 164798, 252044, 278018, 329596, 492167, 556036, 984334, 1071187, 1400783, 1968668, 2142374, 2801566, 4284748, 5603132, 18210179, 36420358, 72840716]

約数ペア:

[(1, 72840716), (2, 36420358), (4, 18210179), (13, 5603132), (17, 4284748), (26, 2801566), (34, 2142374), (37, 1968668), (52, 1400783), (68, 1071187), (74, 984334), (131, 556036), (148, 492167), (221, 329596), (262, 278018), (289, 252044), (442, 164798), (481, 151436), (524, 139009), (578, 126022), (629, 115804), (884, 82399), (962, 75718), (1156, 63011), (1258, 57902), (1703, 42772), (1924, 37859), (2227, 32708), (2516, 28951), (3406, 21386), (3757, 19388), (4454, 16354), (4847, 15028), (6812, 10693), (7514, 9694), (8177, 8908)]