321716640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 288

約数和(自身を含む): 1217414016

約数和(自身を除く): 895697376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 181, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 362, 368, 420, 460, 480, 483, 529, 543, 552, 560, 644, 672, 690, 724, 736, 805, 840, 905, 920, 966, 1058, 1086, 1104, 1120, 1267, 1288, 1380, 1448, 1587, 1610, 1680, 1810, 1840, 1932, 2116, 2172, 2208, 2415, 2534, 2576, 2645, 2715, 2760, 2896, 3174, 3220, 3360, 3620, 3680, 3703, 3801, 3864, 4163, 4232, 4344, 4830, 5068, 5152, 5290, 5430, 5520, 5792, 6335, 6348, 6440, 7240, 7406, 7602, 7728, 7935, 8326, 8464, 8688, 9660, 10136, 10580, 10860, 11040, 11109, 12489, 12670, 12696, 12880, 14480, 14812, 15204, 15456, 15870, 16652, 16928, 17376, 18515, 19005, 19320, 20272, 20815, 21160, 21720, 22218, 24978, 25340, 25392, 25760, 28960, 29141, 29624, 30408, 31740, 33304, 37030, 38010, 38640, 40544, 41630, 42320, 43440, 44436, 49956, 50680, 50784, 55545, 58282, 59248, 60816, 62445, 63480, 66608, 74060, 76020, 77280, 83260, 84640, 86880, 87423, 88872, 95749, 99912, 101360, 111090, 116564, 118496, 121632, 124890, 126960, 133216, 145705, 148120, 152040, 166520, 174846, 177744, 191498, 199824, 202720, 222180, 233128, 249780, 253920, 287247, 291410, 296240, 304080, 333040, 349692, 355488, 382996, 399648, 437115, 444360, 466256, 478745, 499560, 574494, 582820, 592480, 608160, 666080, 670243, 699384, 765992, 874230, 888720, 932512, 957490, 999120, 1148988, 1165640, 1340486, 1398768, 1436235, 1531984, 1748460, 1777440, 1914980, 1998240, 2010729, 2297976, 2331280, 2680972, 2797536, 2872470, 3063968, 3351215, 3496920, 3829960, 4021458, 4595952, 4662560, 5361944, 5744940, 6702430, 6993840, 7659920, 8042916, 9191904, 10053645, 10723888, 11489880, 13404860, 13987680, 15319840, 16085832, 20107290, 21447776, 22979760, 26809720, 32171664, 40214580, 45959520, 53619440, 64343328, 80429160, 107238880, 160858320, 321716640]

約数ペア:

[(1, 321716640), (2, 160858320), (3, 107238880), (4, 80429160), (5, 64343328), (6, 53619440), (7, 45959520), (8, 40214580), (10, 32171664), (12, 26809720), (14, 22979760), (15, 21447776), (16, 20107290), (20, 16085832), (21, 15319840), (23, 13987680), (24, 13404860), (28, 11489880), (30, 10723888), (32, 10053645), (35, 9191904), (40, 8042916), (42, 7659920), (46, 6993840), (48, 6702430), (56, 5744940), (60, 5361944), (69, 4662560), (70, 4595952), (80, 4021458), (84, 3829960), (92, 3496920), (96, 3351215), (105, 3063968), (112, 2872470), (115, 2797536), (120, 2680972), (138, 2331280), (140, 2297976), (160, 2010729), (161, 1998240), (168, 1914980), (181, 1777440), (184, 1748460), (210, 1531984), (224, 1436235), (230, 1398768), (240, 1340486), (276, 1165640), (280, 1148988), (322, 999120), (336, 957490), (345, 932512), (362, 888720), (368, 874230), (420, 765992), (460, 699384), (480, 670243), (483, 666080), (529, 608160), (543, 592480), (552, 582820), (560, 574494), (644, 499560), (672, 478745), (690, 466256), (724, 444360), (736, 437115), (805, 399648), (840, 382996), (905, 355488), (920, 349692), (966, 333040), (1058, 304080), (1086, 296240), (1104, 291410), (1120, 287247), (1267, 253920), (1288, 249780), (1380, 233128), (1448, 222180), (1587, 202720), (1610, 199824), (1680, 191498), (1810, 177744), (1840, 174846), (1932, 166520), (2116, 152040), (2172, 148120), (2208, 145705), (2415, 133216), (2534, 126960), (2576, 124890), (2645, 121632), (2715, 118496), (2760, 116564), (2896, 111090), (3174, 101360), (3220, 99912), (3360, 95749), (3620, 88872), (3680, 87423), (3703, 86880), (3801, 84640), (3864, 83260), (4163, 77280), (4232, 76020), (4344, 74060), (4830, 66608), (5068, 63480), (5152, 62445), (5290, 60816), (5430, 59248), (5520, 58282), (5792, 55545), (6335, 50784), (6348, 50680), (6440, 49956), (7240, 44436), (7406, 43440), (7602, 42320), (7728, 41630), (7935, 40544), (8326, 38640), (8464, 38010), (8688, 37030), (9660, 33304), (10136, 31740), (10580, 30408), (10860, 29624), (11040, 29141), (11109, 28960), (12489, 25760), (12670, 25392), (12696, 25340), (12880, 24978), (14480, 22218), (14812, 21720), (15204, 21160), (15456, 20815), (15870, 20272), (16652, 19320), (16928, 19005), (17376, 18515)]