31783440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 108493056

約数和(自身を除く): 76709616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 156, 167, 183, 195, 208, 240, 244, 260, 305, 312, 334, 366, 390, 488, 501, 520, 610, 624, 668, 732, 780, 793, 835, 915, 976, 1002, 1040, 1220, 1336, 1464, 1560, 1586, 1670, 1830, 2004, 2171, 2379, 2440, 2505, 2672, 2928, 3120, 3172, 3340, 3660, 3965, 4008, 4342, 4758, 4880, 5010, 6344, 6513, 6680, 7320, 7930, 8016, 8684, 9516, 10020, 10187, 10855, 11895, 12688, 13026, 13360, 14640, 15860, 17368, 19032, 20040, 20374, 21710, 23790, 26052, 30561, 31720, 32565, 34736, 38064, 40080, 40748, 43420, 47580, 50935, 52104, 61122, 63440, 65130, 81496, 86840, 95160, 101870, 104208, 122244, 130260, 132431, 152805, 162992, 173680, 190320, 203740, 244488, 260520, 264862, 305610, 397293, 407480, 488976, 521040, 529724, 611220, 662155, 794586, 814960, 1059448, 1222440, 1324310, 1589172, 1986465, 2118896, 2444880, 2648620, 3178344, 3972930, 5297240, 6356688, 7945860, 10594480, 15891720, 31783440]

約数ペア:

[(1, 31783440), (2, 15891720), (3, 10594480), (4, 7945860), (5, 6356688), (6, 5297240), (8, 3972930), (10, 3178344), (12, 2648620), (13, 2444880), (15, 2118896), (16, 1986465), (20, 1589172), (24, 1324310), (26, 1222440), (30, 1059448), (39, 814960), (40, 794586), (48, 662155), (52, 611220), (60, 529724), (61, 521040), (65, 488976), (78, 407480), (80, 397293), (104, 305610), (120, 264862), (122, 260520), (130, 244488), (156, 203740), (167, 190320), (183, 173680), (195, 162992), (208, 152805), (240, 132431), (244, 130260), (260, 122244), (305, 104208), (312, 101870), (334, 95160), (366, 86840), (390, 81496), (488, 65130), (501, 63440), (520, 61122), (610, 52104), (624, 50935), (668, 47580), (732, 43420), (780, 40748), (793, 40080), (835, 38064), (915, 34736), (976, 32565), (1002, 31720), (1040, 30561), (1220, 26052), (1336, 23790), (1464, 21710), (1560, 20374), (1586, 20040), (1670, 19032), (1830, 17368), (2004, 15860), (2171, 14640), (2379, 13360), (2440, 13026), (2505, 12688), (2672, 11895), (2928, 10855), (3120, 10187), (3172, 10020), (3340, 9516), (3660, 8684), (3965, 8016), (4008, 7930), (4342, 7320), (4758, 6680), (4880, 6513), (5010, 6344)]