12312820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 30481920

約数和(自身を除く): 18169100

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 29, 46, 52, 58, 65, 71, 92, 115, 116, 130, 142, 145, 230, 260, 284, 290, 299, 355, 377, 460, 580, 598, 667, 710, 754, 923, 1196, 1334, 1420, 1495, 1508, 1633, 1846, 1885, 2059, 2668, 2990, 3266, 3335, 3692, 3770, 4118, 4615, 5980, 6532, 6670, 7540, 8165, 8236, 8671, 9230, 10295, 13340, 16330, 17342, 18460, 20590, 21229, 26767, 32660, 34684, 41180, 42458, 43355, 47357, 53534, 84916, 86710, 94714, 106145, 107068, 133835, 173420, 189428, 212290, 236785, 267670, 424580, 473570, 535340, 615641, 947140, 1231282, 2462564, 3078205, 6156410, 12312820]

約数ペア:

[(1, 12312820), (2, 6156410), (4, 3078205), (5, 2462564), (10, 1231282), (13, 947140), (20, 615641), (23, 535340), (26, 473570), (29, 424580), (46, 267670), (52, 236785), (58, 212290), (65, 189428), (71, 173420), (92, 133835), (115, 107068), (116, 106145), (130, 94714), (142, 86710), (145, 84916), (230, 53534), (260, 47357), (284, 43355), (290, 42458), (299, 41180), (355, 34684), (377, 32660), (460, 26767), (580, 21229), (598, 20590), (667, 18460), (710, 17342), (754, 16330), (923, 13340), (1196, 10295), (1334, 9230), (1420, 8671), (1495, 8236), (1508, 8165), (1633, 7540), (1846, 6670), (1885, 6532), (2059, 5980), (2668, 4615), (2990, 4118), (3266, 3770), (3335, 3692)]