31518480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 113635584

約数和(自身を除く): 82117104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 257, 280, 292, 336, 365, 420, 438, 511, 514, 560, 584, 730, 771, 840, 876, 1022, 1028, 1095, 1168, 1285, 1460, 1533, 1542, 1680, 1752, 1799, 2044, 2056, 2190, 2555, 2570, 2920, 3066, 3084, 3504, 3598, 3855, 4088, 4112, 4380, 5110, 5140, 5397, 5840, 6132, 6168, 7196, 7665, 7710, 8176, 8760, 8995, 10220, 10280, 10794, 12264, 12336, 14392, 15330, 15420, 17520, 17990, 18761, 20440, 20560, 21588, 24528, 26985, 28784, 30660, 30840, 35980, 37522, 40880, 43176, 53970, 56283, 61320, 61680, 71960, 75044, 86352, 93805, 107940, 112566, 122640, 131327, 143920, 150088, 187610, 215880, 225132, 262654, 281415, 300176, 375220, 393981, 431760, 450264, 525308, 562830, 656635, 750440, 787962, 900528, 1050616, 1125660, 1313270, 1500880, 1575924, 1969905, 2101232, 2251320, 2626540, 3151848, 3939810, 4502640, 5253080, 6303696, 7879620, 10506160, 15759240, 31518480]

約数ペア:

[(1, 31518480), (2, 15759240), (3, 10506160), (4, 7879620), (5, 6303696), (6, 5253080), (7, 4502640), (8, 3939810), (10, 3151848), (12, 2626540), (14, 2251320), (15, 2101232), (16, 1969905), (20, 1575924), (21, 1500880), (24, 1313270), (28, 1125660), (30, 1050616), (35, 900528), (40, 787962), (42, 750440), (48, 656635), (56, 562830), (60, 525308), (70, 450264), (73, 431760), (80, 393981), (84, 375220), (105, 300176), (112, 281415), (120, 262654), (140, 225132), (146, 215880), (168, 187610), (210, 150088), (219, 143920), (240, 131327), (257, 122640), (280, 112566), (292, 107940), (336, 93805), (365, 86352), (420, 75044), (438, 71960), (511, 61680), (514, 61320), (560, 56283), (584, 53970), (730, 43176), (771, 40880), (840, 37522), (876, 35980), (1022, 30840), (1028, 30660), (1095, 28784), (1168, 26985), (1285, 24528), (1460, 21588), (1533, 20560), (1542, 20440), (1680, 18761), (1752, 17990), (1799, 17520), (2044, 15420), (2056, 15330), (2190, 14392), (2555, 12336), (2570, 12264), (2920, 10794), (3066, 10280), (3084, 10220), (3504, 8995), (3598, 8760), (3855, 8176), (4088, 7710), (4112, 7665), (4380, 7196), (5110, 6168), (5140, 6132), (5397, 5840)]