16815760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 47496960

約数和(自身を除く): 30681200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 23, 26, 37, 38, 40, 46, 52, 65, 74, 76, 80, 92, 95, 104, 115, 130, 148, 152, 184, 185, 190, 208, 230, 247, 260, 296, 299, 304, 368, 370, 380, 437, 460, 481, 494, 520, 592, 598, 703, 740, 760, 851, 874, 920, 962, 988, 1040, 1196, 1235, 1406, 1480, 1495, 1520, 1702, 1748, 1840, 1924, 1976, 2185, 2392, 2405, 2470, 2812, 2960, 2990, 3404, 3496, 3515, 3848, 3952, 4255, 4370, 4784, 4810, 4940, 5624, 5681, 5980, 6808, 6992, 7030, 7696, 8510, 8740, 9139, 9620, 9880, 11063, 11248, 11362, 11960, 13616, 14060, 16169, 17020, 17480, 18278, 19240, 19760, 22126, 22724, 23920, 28120, 28405, 32338, 34040, 34960, 36556, 38480, 44252, 45448, 45695, 55315, 56240, 56810, 64676, 68080, 73112, 80845, 88504, 90896, 91390, 110630, 113620, 129352, 146224, 161690, 177008, 182780, 210197, 221260, 227240, 258704, 323380, 365560, 420394, 442520, 454480, 646760, 731120, 840788, 885040, 1050985, 1293520, 1681576, 2101970, 3363152, 4203940, 8407880, 16815760]

約数ペア:

[(1, 16815760), (2, 8407880), (4, 4203940), (5, 3363152), (8, 2101970), (10, 1681576), (13, 1293520), (16, 1050985), (19, 885040), (20, 840788), (23, 731120), (26, 646760), (37, 454480), (38, 442520), (40, 420394), (46, 365560), (52, 323380), (65, 258704), (74, 227240), (76, 221260), (80, 210197), (92, 182780), (95, 177008), (104, 161690), (115, 146224), (130, 129352), (148, 113620), (152, 110630), (184, 91390), (185, 90896), (190, 88504), (208, 80845), (230, 73112), (247, 68080), (260, 64676), (296, 56810), (299, 56240), (304, 55315), (368, 45695), (370, 45448), (380, 44252), (437, 38480), (460, 36556), (481, 34960), (494, 34040), (520, 32338), (592, 28405), (598, 28120), (703, 23920), (740, 22724), (760, 22126), (851, 19760), (874, 19240), (920, 18278), (962, 17480), (988, 17020), (1040, 16169), (1196, 14060), (1235, 13616), (1406, 11960), (1480, 11362), (1495, 11248), (1520, 11063), (1702, 9880), (1748, 9620), (1840, 9139), (1924, 8740), (1976, 8510), (2185, 7696), (2392, 7030), (2405, 6992), (2470, 6808), (2812, 5980), (2960, 5681), (2990, 5624), (3404, 4940), (3496, 4810), (3515, 4784), (3848, 4370), (3952, 4255)]