1900391640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{8803}}^1$

素因数の和:9081

約数の個数: 128

約数和(自身を含む): 6541724160

約数和(自身を除く): 4641332520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 257, 280, 420, 514, 771, 840, 1028, 1285, 1542, 1799, 2056, 2570, 3084, 3598, 3855, 5140, 5397, 6168, 7196, 7710, 8803, 8995, 10280, 10794, 14392, 15420, 17606, 17990, 21588, 26409, 26985, 30840, 35212, 35980, 43176, 44015, 52818, 53970, 61621, 70424, 71960, 88030, 105636, 107940, 123242, 132045, 176060, 184863, 211272, 215880, 246484, 264090, 308105, 352120, 369726, 492968, 528180, 616210, 739452, 924315, 1056360, 1232420, 1478904, 1848630, 2262371, 2464840, 3697260, 4524742, 6787113, 7394520, 9049484, 11311855, 13574226, 15836597, 18098968, 22623710, 27148452, 31673194, 33935565, 45247420, 47509791, 54296904, 63346388, 67871130, 79182985, 90494840, 95019582, 126692776, 135742260, 158365970, 190039164, 237548955, 271484520, 316731940, 380078328, 475097910, 633463880, 950195820, 1900391640]

約数ペア:

[(1, 1900391640), (2, 950195820), (3, 633463880), (4, 475097910), (5, 380078328), (6, 316731940), (7, 271484520), (8, 237548955), (10, 190039164), (12, 158365970), (14, 135742260), (15, 126692776), (20, 95019582), (21, 90494840), (24, 79182985), (28, 67871130), (30, 63346388), (35, 54296904), (40, 47509791), (42, 45247420), (56, 33935565), (60, 31673194), (70, 27148452), (84, 22623710), (105, 18098968), (120, 15836597), (140, 13574226), (168, 11311855), (210, 9049484), (257, 7394520), (280, 6787113), (420, 4524742), (514, 3697260), (771, 2464840), (840, 2262371), (1028, 1848630), (1285, 1478904), (1542, 1232420), (1799, 1056360), (2056, 924315), (2570, 739452), (3084, 616210), (3598, 528180), (3855, 492968), (5140, 369726), (5397, 352120), (6168, 308105), (7196, 264090), (7710, 246484), (8803, 215880), (8995, 211272), (10280, 184863), (10794, 176060), (14392, 132045), (15420, 123242), (17606, 107940), (17990, 105636), (21588, 88030), (26409, 71960), (26985, 70424), (30840, 61621), (35212, 53970), (35980, 52818), (43176, 44015)]