28654860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2203

約数の個数: 96

約数和(自身を含む): 91530432

約数和(自身を除く): 62875572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2161, 2210, 2652, 3315, 4322, 4420, 6483, 6630, 8644, 10805, 12966, 13260, 21610, 25932, 28093, 32415, 36737, 43220, 56186, 64830, 73474, 84279, 110211, 112372, 129660, 140465, 146948, 168558, 183685, 220422, 280930, 337116, 367370, 421395, 440844, 477581, 551055, 561860, 734740, 842790, 955162, 1102110, 1432743, 1685580, 1910324, 2204220, 2387905, 2865486, 4775810, 5730972, 7163715, 9551620, 14327430, 28654860]

約数ペア:

[(1, 28654860), (2, 14327430), (3, 9551620), (4, 7163715), (5, 5730972), (6, 4775810), (10, 2865486), (12, 2387905), (13, 2204220), (15, 1910324), (17, 1685580), (20, 1432743), (26, 1102110), (30, 955162), (34, 842790), (39, 734740), (51, 561860), (52, 551055), (60, 477581), (65, 440844), (68, 421395), (78, 367370), (85, 337116), (102, 280930), (130, 220422), (156, 183685), (170, 168558), (195, 146948), (204, 140465), (221, 129660), (255, 112372), (260, 110211), (340, 84279), (390, 73474), (442, 64830), (510, 56186), (663, 43220), (780, 36737), (884, 32415), (1020, 28093), (1105, 25932), (1326, 21610), (2161, 13260), (2210, 12966), (2652, 10805), (3315, 8644), (4322, 6630), (4420, 6483)]