64404840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 206997120

約数和(自身を除く): 142592280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 131, 136, 170, 204, 241, 255, 262, 340, 393, 408, 482, 510, 524, 655, 680, 723, 786, 964, 1020, 1048, 1205, 1310, 1446, 1572, 1928, 1965, 2040, 2227, 2410, 2620, 2892, 3144, 3615, 3930, 4097, 4454, 4820, 5240, 5784, 6681, 7230, 7860, 8194, 8908, 9640, 11135, 12291, 13362, 14460, 15720, 16388, 17816, 20485, 22270, 24582, 26724, 28920, 31571, 32776, 33405, 40970, 44540, 49164, 53448, 61455, 63142, 66810, 81940, 89080, 94713, 98328, 122910, 126284, 133620, 157855, 163880, 189426, 245820, 252568, 267240, 315710, 378852, 473565, 491640, 536707, 631420, 757704, 947130, 1073414, 1262840, 1610121, 1894260, 2146828, 2683535, 3220242, 3788520, 4293656, 5367070, 6440484, 8050605, 10734140, 12880968, 16101210, 21468280, 32202420, 64404840]

約数ペア:

[(1, 64404840), (2, 32202420), (3, 21468280), (4, 16101210), (5, 12880968), (6, 10734140), (8, 8050605), (10, 6440484), (12, 5367070), (15, 4293656), (17, 3788520), (20, 3220242), (24, 2683535), (30, 2146828), (34, 1894260), (40, 1610121), (51, 1262840), (60, 1073414), (68, 947130), (85, 757704), (102, 631420), (120, 536707), (131, 491640), (136, 473565), (170, 378852), (204, 315710), (241, 267240), (255, 252568), (262, 245820), (340, 189426), (393, 163880), (408, 157855), (482, 133620), (510, 126284), (524, 122910), (655, 98328), (680, 94713), (723, 89080), (786, 81940), (964, 66810), (1020, 63142), (1048, 61455), (1205, 53448), (1310, 49164), (1446, 44540), (1572, 40970), (1928, 33405), (1965, 32776), (2040, 31571), (2227, 28920), (2410, 26724), (2620, 24582), (2892, 22270), (3144, 20485), (3615, 17816), (3930, 16388), (4097, 15720), (4454, 14460), (4820, 13362), (5240, 12291), (5784, 11135), (6681, 9640), (7230, 8908), (7860, 8194)]