227646640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 615960576

約数和(自身を除く): 388313936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 184, 208, 230, 248, 260, 299, 307, 310, 368, 403, 460, 496, 520, 598, 614, 620, 713, 806, 920, 1040, 1196, 1228, 1240, 1426, 1495, 1535, 1612, 1840, 2015, 2392, 2456, 2480, 2852, 2990, 3070, 3224, 3565, 3991, 4030, 4784, 4912, 5704, 5980, 6140, 6448, 7061, 7130, 7982, 8060, 9269, 9517, 11408, 11960, 12280, 14122, 14260, 15964, 16120, 18538, 19034, 19955, 23920, 24560, 28244, 28520, 31928, 32240, 35305, 37076, 38068, 39910, 46345, 47585, 56488, 57040, 63856, 70610, 74152, 76136, 79820, 91793, 92690, 95170, 112976, 123721, 141220, 148304, 152272, 159640, 183586, 185380, 190340, 218891, 247442, 282440, 319280, 367172, 370760, 380680, 437782, 458965, 494884, 564880, 618605, 734344, 741520, 761360, 875564, 917930, 989768, 1094455, 1237210, 1468688, 1751128, 1835860, 1979536, 2188910, 2474420, 2845583, 3502256, 3671720, 4377820, 4948840, 5691166, 7343440, 8755640, 9897680, 11382332, 14227915, 17511280, 22764664, 28455830, 45529328, 56911660, 113823320, 227646640]

約数ペア:

[(1, 227646640), (2, 113823320), (4, 56911660), (5, 45529328), (8, 28455830), (10, 22764664), (13, 17511280), (16, 14227915), (20, 11382332), (23, 9897680), (26, 8755640), (31, 7343440), (40, 5691166), (46, 4948840), (52, 4377820), (62, 3671720), (65, 3502256), (80, 2845583), (92, 2474420), (104, 2188910), (115, 1979536), (124, 1835860), (130, 1751128), (155, 1468688), (184, 1237210), (208, 1094455), (230, 989768), (248, 917930), (260, 875564), (299, 761360), (307, 741520), (310, 734344), (368, 618605), (403, 564880), (460, 494884), (496, 458965), (520, 437782), (598, 380680), (614, 370760), (620, 367172), (713, 319280), (806, 282440), (920, 247442), (1040, 218891), (1196, 190340), (1228, 185380), (1240, 183586), (1426, 159640), (1495, 152272), (1535, 148304), (1612, 141220), (1840, 123721), (2015, 112976), (2392, 95170), (2456, 92690), (2480, 91793), (2852, 79820), (2990, 76136), (3070, 74152), (3224, 70610), (3565, 63856), (3991, 57040), (4030, 56488), (4784, 47585), (4912, 46345), (5704, 39910), (5980, 38068), (6140, 37076), (6448, 35305), (7061, 32240), (7130, 31928), (7982, 28520), (8060, 28244), (9269, 24560), (9517, 23920), (11408, 19955), (11960, 19034), (12280, 18538), (14122, 16120), (14260, 15964)]