79723540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1061}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 191707992

約数和(自身を除く): 111984452

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1061, 1105, 1156, 1445, 2122, 2210, 2890, 3757, 4244, 4420, 5305, 5780, 7514, 10610, 13793, 15028, 18037, 18785, 21220, 27586, 36074, 37570, 55172, 68965, 72148, 75140, 90185, 137930, 180370, 234481, 275860, 306629, 360740, 468962, 613258, 937924, 1172405, 1226516, 1533145, 2344810, 3066290, 3986177, 4689620, 6132580, 7972354, 15944708, 19930885, 39861770, 79723540]

約数ペア:

[(1, 79723540), (2, 39861770), (4, 19930885), (5, 15944708), (10, 7972354), (13, 6132580), (17, 4689620), (20, 3986177), (26, 3066290), (34, 2344810), (52, 1533145), (65, 1226516), (68, 1172405), (85, 937924), (130, 613258), (170, 468962), (221, 360740), (260, 306629), (289, 275860), (340, 234481), (442, 180370), (578, 137930), (884, 90185), (1061, 75140), (1105, 72148), (1156, 68965), (1445, 55172), (2122, 37570), (2210, 36074), (2890, 27586), (3757, 21220), (4244, 18785), (4420, 18037), (5305, 15028), (5780, 13793), (7514, 10610)]