306820020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12689}}^1$

素因数の和:12745

約数の個数: 96

約数和(自身を含む): 955100160

約数和(自身を除く): 648280140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 12090, 12689, 24180, 25378, 38067, 50756, 63445, 76134, 126890, 152268, 164957, 190335, 253780, 329914, 380670, 393359, 494871, 659828, 761340, 786718, 824785, 989742, 1180077, 1573436, 1649570, 1966795, 1979484, 2360154, 2474355, 3299140, 3933590, 4720308, 4948710, 5113667, 5900385, 7867180, 9897420, 10227334, 11800770, 15341001, 20454668, 23601540, 25568335, 30682002, 51136670, 61364004, 76705005, 102273340, 153410010, 306820020]

約数ペア:

[(1, 306820020), (2, 153410010), (3, 102273340), (4, 76705005), (5, 61364004), (6, 51136670), (10, 30682002), (12, 25568335), (13, 23601540), (15, 20454668), (20, 15341001), (26, 11800770), (30, 10227334), (31, 9897420), (39, 7867180), (52, 5900385), (60, 5113667), (62, 4948710), (65, 4720308), (78, 3933590), (93, 3299140), (124, 2474355), (130, 2360154), (155, 1979484), (156, 1966795), (186, 1649570), (195, 1573436), (260, 1180077), (310, 989742), (372, 824785), (390, 786718), (403, 761340), (465, 659828), (620, 494871), (780, 393359), (806, 380670), (930, 329914), (1209, 253780), (1612, 190335), (1860, 164957), (2015, 152268), (2418, 126890), (4030, 76134), (4836, 63445), (6045, 50756), (8060, 38067), (12090, 25378), (12689, 24180)]