1289446320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{25463}}^1$

素因数の和:25690

約数の個数: 80

約数和(自身を含む): 4016385792

約数和(自身を除く): 2726939472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3376, 4220, 5064, 6330, 8440, 10128, 12660, 16880, 25320, 25463, 50640, 50926, 76389, 101852, 127315, 152778, 203704, 254630, 305556, 381945, 407408, 509260, 611112, 763890, 1018520, 1222224, 1527780, 2037040, 3055560, 5372693, 6111120, 10745386, 16118079, 21490772, 26863465, 32236158, 42981544, 53726930, 64472316, 80590395, 85963088, 107453860, 128944632, 161180790, 214907720, 257889264, 322361580, 429815440, 644723160, 1289446320]

約数ペア:

[(1, 1289446320), (2, 644723160), (3, 429815440), (4, 322361580), (5, 257889264), (6, 214907720), (8, 161180790), (10, 128944632), (12, 107453860), (15, 85963088), (16, 80590395), (20, 64472316), (24, 53726930), (30, 42981544), (40, 32236158), (48, 26863465), (60, 21490772), (80, 16118079), (120, 10745386), (211, 6111120), (240, 5372693), (422, 3055560), (633, 2037040), (844, 1527780), (1055, 1222224), (1266, 1018520), (1688, 763890), (2110, 611112), (2532, 509260), (3165, 407408), (3376, 381945), (4220, 305556), (5064, 254630), (6330, 203704), (8440, 152778), (10128, 127315), (12660, 101852), (16880, 76389), (25320, 50926), (25463, 50640)]