215557680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1171}}^1$

素因数の和:1259

約数の個数: 160

約数和(自身を含む): 732453120

約数和(自身を除く): 516895440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 59, 60, 65, 78, 80, 104, 118, 120, 130, 156, 177, 195, 208, 236, 240, 260, 295, 312, 354, 390, 472, 520, 590, 624, 708, 767, 780, 885, 944, 1040, 1171, 1180, 1416, 1534, 1560, 1770, 2301, 2342, 2360, 2832, 3068, 3120, 3513, 3540, 3835, 4602, 4684, 4720, 5855, 6136, 7026, 7080, 7670, 9204, 9368, 11505, 11710, 12272, 14052, 14160, 15223, 15340, 17565, 18408, 18736, 23010, 23420, 28104, 30446, 30680, 35130, 36816, 45669, 46020, 46840, 56208, 60892, 61360, 69089, 70260, 76115, 91338, 92040, 93680, 121784, 138178, 140520, 152230, 182676, 184080, 207267, 228345, 243568, 276356, 281040, 304460, 345445, 365352, 414534, 456690, 552712, 608920, 690890, 730704, 829068, 898157, 913380, 1036335, 1105424, 1217840, 1381780, 1658136, 1796314, 1826760, 2072670, 2694471, 2763560, 3316272, 3592628, 3653520, 4145340, 4490785, 5388942, 5527120, 7185256, 8290680, 8981570, 10777884, 13472355, 14370512, 16581360, 17963140, 21555768, 26944710, 35926280, 43111536, 53889420, 71852560, 107778840, 215557680]

約数ペア:

[(1, 215557680), (2, 107778840), (3, 71852560), (4, 53889420), (5, 43111536), (6, 35926280), (8, 26944710), (10, 21555768), (12, 17963140), (13, 16581360), (15, 14370512), (16, 13472355), (20, 10777884), (24, 8981570), (26, 8290680), (30, 7185256), (39, 5527120), (40, 5388942), (48, 4490785), (52, 4145340), (59, 3653520), (60, 3592628), (65, 3316272), (78, 2763560), (80, 2694471), (104, 2072670), (118, 1826760), (120, 1796314), (130, 1658136), (156, 1381780), (177, 1217840), (195, 1105424), (208, 1036335), (236, 913380), (240, 898157), (260, 829068), (295, 730704), (312, 690890), (354, 608920), (390, 552712), (472, 456690), (520, 414534), (590, 365352), (624, 345445), (708, 304460), (767, 281040), (780, 276356), (885, 243568), (944, 228345), (1040, 207267), (1171, 184080), (1180, 182676), (1416, 152230), (1534, 140520), (1560, 138178), (1770, 121784), (2301, 93680), (2342, 92040), (2360, 91338), (2832, 76115), (3068, 70260), (3120, 69089), (3513, 61360), (3540, 60892), (3835, 56208), (4602, 46840), (4684, 46020), (4720, 45669), (5855, 36816), (6136, 35130), (7026, 30680), (7080, 30446), (7670, 28104), (9204, 23420), (9368, 23010), (11505, 18736), (11710, 18408), (12272, 17565), (14052, 15340), (14160, 15223)]