231511410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 144

約数和(自身を含む): 674189568

約数和(自身を除く): 442678158

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 169, 186, 195, 234, 279, 310, 338, 390, 403, 465, 491, 507, 558, 585, 806, 845, 930, 982, 1014, 1170, 1209, 1395, 1473, 1521, 1690, 2015, 2418, 2455, 2535, 2790, 2946, 3042, 3627, 4030, 4419, 4910, 5070, 5239, 6045, 6383, 7254, 7365, 7605, 8838, 10478, 12090, 12766, 14730, 15210, 15221, 15717, 18135, 19149, 22095, 26195, 30442, 31434, 31915, 36270, 38298, 44190, 45663, 47151, 52390, 57447, 63830, 76105, 78585, 82979, 91326, 94302, 95745, 114894, 136989, 152210, 157170, 165958, 191490, 197873, 228315, 235755, 248937, 273978, 287235, 395746, 414895, 456630, 471510, 497874, 574470, 593619, 684945, 746811, 829790, 989365, 1187238, 1244685, 1369890, 1493622, 1780857, 1978730, 2489370, 2572349, 2968095, 3561714, 3734055, 5144698, 5936190, 7468110, 7717047, 8904285, 12861745, 15434094, 17808570, 23151141, 25723490, 38585235, 46302282, 77170470, 115755705, 231511410]

約数ペア:

[(1, 231511410), (2, 115755705), (3, 77170470), (5, 46302282), (6, 38585235), (9, 25723490), (10, 23151141), (13, 17808570), (15, 15434094), (18, 12861745), (26, 8904285), (30, 7717047), (31, 7468110), (39, 5936190), (45, 5144698), (62, 3734055), (65, 3561714), (78, 2968095), (90, 2572349), (93, 2489370), (117, 1978730), (130, 1780857), (155, 1493622), (169, 1369890), (186, 1244685), (195, 1187238), (234, 989365), (279, 829790), (310, 746811), (338, 684945), (390, 593619), (403, 574470), (465, 497874), (491, 471510), (507, 456630), (558, 414895), (585, 395746), (806, 287235), (845, 273978), (930, 248937), (982, 235755), (1014, 228315), (1170, 197873), (1209, 191490), (1395, 165958), (1473, 157170), (1521, 152210), (1690, 136989), (2015, 114894), (2418, 95745), (2455, 94302), (2535, 91326), (2790, 82979), (2946, 78585), (3042, 76105), (3627, 63830), (4030, 57447), (4419, 52390), (4910, 47151), (5070, 45663), (5239, 44190), (6045, 38298), (6383, 36270), (7254, 31915), (7365, 31434), (7605, 30442), (8838, 26195), (10478, 22095), (12090, 19149), (12766, 18135), (14730, 15717), (15210, 15221)]