72076940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:771

約数の個数: 96

約数和(自身を含む): 180351360

約数和(自身を除く): 108274420

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 299, 340, 391, 442, 460, 598, 709, 782, 884, 1105, 1196, 1418, 1495, 1564, 1955, 2210, 2836, 2990, 3545, 3910, 4420, 5083, 5980, 7090, 7820, 9217, 10166, 12053, 14180, 16307, 18434, 20332, 24106, 25415, 32614, 36868, 46085, 48212, 50830, 60265, 65228, 81535, 92170, 101660, 120530, 156689, 163070, 184340, 211991, 241060, 277219, 313378, 326140, 423982, 554438, 626756, 783445, 847964, 1059955, 1108876, 1386095, 1566890, 2119910, 2772190, 3133780, 3603847, 4239820, 5544380, 7207694, 14415388, 18019235, 36038470, 72076940]

約数ペア:

[(1, 72076940), (2, 36038470), (4, 18019235), (5, 14415388), (10, 7207694), (13, 5544380), (17, 4239820), (20, 3603847), (23, 3133780), (26, 2772190), (34, 2119910), (46, 1566890), (52, 1386095), (65, 1108876), (68, 1059955), (85, 847964), (92, 783445), (115, 626756), (130, 554438), (170, 423982), (221, 326140), (230, 313378), (260, 277219), (299, 241060), (340, 211991), (391, 184340), (442, 163070), (460, 156689), (598, 120530), (709, 101660), (782, 92170), (884, 81535), (1105, 65228), (1196, 60265), (1418, 50830), (1495, 48212), (1564, 46085), (1955, 36868), (2210, 32614), (2836, 25415), (2990, 24106), (3545, 20332), (3910, 18434), (4420, 16307), (5083, 14180), (5980, 12053), (7090, 10166), (7820, 9217)]