64537040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:588

約数の個数: 80

約数和(自身を含む): 158132736

約数和(自身を除く): 93595696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 491, 496, 530, 620, 848, 982, 1060, 1240, 1643, 1964, 2120, 2455, 2480, 3286, 3928, 4240, 4910, 6572, 7856, 8215, 9820, 13144, 15221, 16430, 19640, 26023, 26288, 30442, 32860, 39280, 52046, 60884, 65720, 76105, 104092, 121768, 130115, 131440, 152210, 208184, 243536, 260230, 304420, 416368, 520460, 608840, 806713, 1040920, 1217680, 1613426, 2081840, 3226852, 4033565, 6453704, 8067130, 12907408, 16134260, 32268520, 64537040]

約数ペア:

[(1, 64537040), (2, 32268520), (4, 16134260), (5, 12907408), (8, 8067130), (10, 6453704), (16, 4033565), (20, 3226852), (31, 2081840), (40, 1613426), (53, 1217680), (62, 1040920), (80, 806713), (106, 608840), (124, 520460), (155, 416368), (212, 304420), (248, 260230), (265, 243536), (310, 208184), (424, 152210), (491, 131440), (496, 130115), (530, 121768), (620, 104092), (848, 76105), (982, 65720), (1060, 60884), (1240, 52046), (1643, 39280), (1964, 32860), (2120, 30442), (2455, 26288), (2480, 26023), (3286, 19640), (3928, 16430), (4240, 15221), (4910, 13144), (6572, 9820), (7856, 8215)]