245443120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 663957504

約数和(自身を除く): 418514384

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, 310, 331, 368, 403, 460, 496, 520, 598, 620, 662, 713, 806, 920, 1040, 1196, 1240, 1324, 1426, 1495, 1612, 1655, 1840, 2015, 2392, 2480, 2648, 2852, 2990, 3224, 3310, 3565, 4030, 4303, 4784, 5296, 5704, 5980, 6448, 6620, 7130, 7613, 8060, 8606, 9269, 10261, 11408, 11960, 13240, 14260, 15226, 16120, 17212, 18538, 20522, 21515, 23920, 26480, 28520, 30452, 32240, 34424, 37076, 38065, 41044, 43030, 46345, 51305, 57040, 60904, 68848, 74152, 76130, 82088, 86060, 92690, 98969, 102610, 121808, 133393, 148304, 152260, 164176, 172120, 185380, 197938, 205220, 236003, 266786, 304520, 344240, 370760, 395876, 410440, 472006, 494845, 533572, 609040, 666965, 741520, 791752, 820880, 944012, 989690, 1067144, 1180015, 1333930, 1583504, 1888024, 1979380, 2134288, 2360030, 2667860, 3068039, 3776048, 3958760, 4720060, 5335720, 6136078, 7917520, 9440120, 10671440, 12272156, 15340195, 18880240, 24544312, 30680390, 49088624, 61360780, 122721560, 245443120]

約数ペア:

[(1, 245443120), (2, 122721560), (4, 61360780), (5, 49088624), (8, 30680390), (10, 24544312), (13, 18880240), (16, 15340195), (20, 12272156), (23, 10671440), (26, 9440120), (31, 7917520), (40, 6136078), (46, 5335720), (52, 4720060), (62, 3958760), (65, 3776048), (80, 3068039), (92, 2667860), (104, 2360030), (115, 2134288), (124, 1979380), (130, 1888024), (155, 1583504), (184, 1333930), (208, 1180015), (230, 1067144), (248, 989690), (260, 944012), (299, 820880), (310, 791752), (331, 741520), (368, 666965), (403, 609040), (460, 533572), (496, 494845), (520, 472006), (598, 410440), (620, 395876), (662, 370760), (713, 344240), (806, 304520), (920, 266786), (1040, 236003), (1196, 205220), (1240, 197938), (1324, 185380), (1426, 172120), (1495, 164176), (1612, 152260), (1655, 148304), (1840, 133393), (2015, 121808), (2392, 102610), (2480, 98969), (2648, 92690), (2852, 86060), (2990, 82088), (3224, 76130), (3310, 74152), (3565, 68848), (4030, 60904), (4303, 57040), (4784, 51305), (5296, 46345), (5704, 43030), (5980, 41044), (6448, 38065), (6620, 37076), (7130, 34424), (7613, 32240), (8060, 30452), (8606, 28520), (9269, 26480), (10261, 23920), (11408, 21515), (11960, 20522), (13240, 18538), (14260, 17212), (15226, 16120)]