128460840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62971}}^1$

素因数の和:63002

約数の個数: 64

約数和(自身を含む): 408058560

約数和(自身を除く): 279597720

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, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 62971, 125942, 188913, 251884, 314855, 377826, 503768, 629710, 755652, 944565, 1070507, 1259420, 1511304, 1889130, 2141014, 2518840, 3211521, 3778260, 4282028, 5352535, 6423042, 7556520, 8564056, 10705070, 12846084, 16057605, 21410140, 25692168, 32115210, 42820280, 64230420, 128460840]

約数ペア:

[(1, 128460840), (2, 64230420), (3, 42820280), (4, 32115210), (5, 25692168), (6, 21410140), (8, 16057605), (10, 12846084), (12, 10705070), (15, 8564056), (17, 7556520), (20, 6423042), (24, 5352535), (30, 4282028), (34, 3778260), (40, 3211521), (51, 2518840), (60, 2141014), (68, 1889130), (85, 1511304), (102, 1259420), (120, 1070507), (136, 944565), (170, 755652), (204, 629710), (255, 503768), (340, 377826), (408, 314855), (510, 251884), (680, 188913), (1020, 125942), (2040, 62971)]