64654840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2267}}^1$

素因数の和:2332

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 92109320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2267, 2852, 3565, 4534, 5704, 7130, 9068, 11335, 14260, 18136, 22670, 28520, 45340, 52141, 70277, 90680, 104282, 140554, 208564, 260705, 281108, 351385, 417128, 521410, 562216, 702770, 1042820, 1405540, 1616371, 2085640, 2811080, 3232742, 6465484, 8081855, 12930968, 16163710, 32327420, 64654840]

約数ペア:

[(1, 64654840), (2, 32327420), (4, 16163710), (5, 12930968), (8, 8081855), (10, 6465484), (20, 3232742), (23, 2811080), (31, 2085640), (40, 1616371), (46, 1405540), (62, 1042820), (92, 702770), (115, 562216), (124, 521410), (155, 417128), (184, 351385), (230, 281108), (248, 260705), (310, 208564), (460, 140554), (620, 104282), (713, 90680), (920, 70277), (1240, 52141), (1426, 45340), (2267, 28520), (2852, 22670), (3565, 18136), (4534, 14260), (5704, 11335), (7130, 9068)]