257123880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54941}}^1$

素因数の和:54971

約数の個数: 96

約数和(自身を含む): 899949960

約数和(自身を除く): 642826080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 54941, 109882, 164823, 219764, 274705, 329646, 439528, 494469, 549410, 659292, 714233, 824115, 988938, 1098820, 1318584, 1428466, 1648230, 1977876, 2142699, 2197640, 2472345, 2856932, 3296460, 3571165, 3955752, 4285398, 4944690, 5713864, 6428097, 6592920, 7142330, 8570796, 9889380, 10713495, 12856194, 14284660, 17141592, 19778760, 21426990, 25712388, 28569320, 32140485, 42853980, 51424776, 64280970, 85707960, 128561940, 257123880]

約数ペア:

[(1, 257123880), (2, 128561940), (3, 85707960), (4, 64280970), (5, 51424776), (6, 42853980), (8, 32140485), (9, 28569320), (10, 25712388), (12, 21426990), (13, 19778760), (15, 17141592), (18, 14284660), (20, 12856194), (24, 10713495), (26, 9889380), (30, 8570796), (36, 7142330), (39, 6592920), (40, 6428097), (45, 5713864), (52, 4944690), (60, 4285398), (65, 3955752), (72, 3571165), (78, 3296460), (90, 2856932), (104, 2472345), (117, 2197640), (120, 2142699), (130, 1977876), (156, 1648230), (180, 1428466), (195, 1318584), (234, 1098820), (260, 988938), (312, 824115), (360, 714233), (390, 659292), (468, 549410), (520, 494469), (585, 439528), (780, 329646), (936, 274705), (1170, 219764), (1560, 164823), (2340, 109882), (4680, 54941)]