2178531180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{293}}^1$

素因数の和:606

約数の個数: 288

約数和(自身を含む): 7939270080

約数和(自身を除く): 5760738900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 281, 293, 294, 315, 378, 420, 441, 490, 540, 562, 586, 588, 630, 735, 756, 843, 879, 882, 945, 980, 1124, 1172, 1260, 1323, 1405, 1465, 1470, 1686, 1758, 1764, 1890, 1967, 2051, 2205, 2529, 2637, 2646, 2810, 2930, 2940, 3372, 3516, 3780, 3934, 4102, 4215, 4395, 4410, 5058, 5274, 5292, 5620, 5860, 5901, 6153, 6615, 7587, 7868, 7911, 8204, 8430, 8790, 8820, 9835, 10116, 10255, 10548, 11802, 12306, 12645, 13185, 13230, 13769, 14357, 15174, 15822, 16860, 17580, 17703, 18459, 19670, 20510, 23604, 24612, 25290, 26370, 26460, 27538, 28714, 29505, 30348, 30765, 31644, 35406, 36918, 37935, 39340, 39555, 41020, 41307, 43071, 50580, 52740, 53109, 55076, 55377, 57428, 59010, 61530, 68845, 70812, 71785, 73836, 75870, 79110, 82333, 82614, 86142, 88515, 92295, 106218, 110754, 118020, 123060, 123921, 129213, 137690, 143570, 151740, 158220, 164666, 165228, 172284, 177030, 184590, 206535, 212436, 215355, 221508, 246999, 247842, 258426, 265545, 275380, 276885, 287140, 329332, 354060, 369180, 371763, 387639, 411665, 413070, 430710, 493998, 495684, 516852, 531090, 553770, 576331, 619605, 646065, 740997, 743526, 775278, 823330, 826140, 861420, 987996, 1062180, 1107540, 1152662, 1234995, 1239210, 1292130, 1481994, 1487052, 1550556, 1646660, 1728993, 1858815, 1938195, 2222991, 2305324, 2469990, 2478420, 2584260, 2881655, 2963988, 3457986, 3704985, 3717630, 3876390, 4034317, 4445982, 4939980, 5186979, 5763310, 6915972, 7409970, 7435260, 7752780, 8068634, 8644965, 8891964, 10373958, 11114955, 11526620, 12102951, 14819940, 15560937, 16137268, 17289930, 20171585, 20747916, 22229910, 24205902, 25934895, 31121874, 34579860, 36308853, 40343170, 44459820, 48411804, 51869790, 60514755, 62243748, 72617706, 77804685, 80686340, 103739580, 108926559, 121029510, 145235412, 155609370, 181544265, 217853118, 242059020, 311218740, 363088530, 435706236, 544632795, 726177060, 1089265590, 2178531180]

約数ペア:

[(1, 2178531180), (2, 1089265590), (3, 726177060), (4, 544632795), (5, 435706236), (6, 363088530), (7, 311218740), (9, 242059020), (10, 217853118), (12, 181544265), (14, 155609370), (15, 145235412), (18, 121029510), (20, 108926559), (21, 103739580), (27, 80686340), (28, 77804685), (30, 72617706), (35, 62243748), (36, 60514755), (42, 51869790), (45, 48411804), (49, 44459820), (54, 40343170), (60, 36308853), (63, 34579860), (70, 31121874), (84, 25934895), (90, 24205902), (98, 22229910), (105, 20747916), (108, 20171585), (126, 17289930), (135, 16137268), (140, 15560937), (147, 14819940), (180, 12102951), (189, 11526620), (196, 11114955), (210, 10373958), (245, 8891964), (252, 8644965), (270, 8068634), (281, 7752780), (293, 7435260), (294, 7409970), (315, 6915972), (378, 5763310), (420, 5186979), (441, 4939980), (490, 4445982), (540, 4034317), (562, 3876390), (586, 3717630), (588, 3704985), (630, 3457986), (735, 2963988), (756, 2881655), (843, 2584260), (879, 2478420), (882, 2469990), (945, 2305324), (980, 2222991), (1124, 1938195), (1172, 1858815), (1260, 1728993), (1323, 1646660), (1405, 1550556), (1465, 1487052), (1470, 1481994), (1686, 1292130), (1758, 1239210), (1764, 1234995), (1890, 1152662), (1967, 1107540), (2051, 1062180), (2205, 987996), (2529, 861420), (2637, 826140), (2646, 823330), (2810, 775278), (2930, 743526), (2940, 740997), (3372, 646065), (3516, 619605), (3780, 576331), (3934, 553770), (4102, 531090), (4215, 516852), (4395, 495684), (4410, 493998), (5058, 430710), (5274, 413070), (5292, 411665), (5620, 387639), (5860, 371763), (5901, 369180), (6153, 354060), (6615, 329332), (7587, 287140), (7868, 276885), (7911, 275380), (8204, 265545), (8430, 258426), (8790, 247842), (8820, 246999), (9835, 221508), (10116, 215355), (10255, 212436), (10548, 206535), (11802, 184590), (12306, 177030), (12645, 172284), (13185, 165228), (13230, 164666), (13769, 158220), (14357, 151740), (15174, 143570), (15822, 137690), (16860, 129213), (17580, 123921), (17703, 123060), (18459, 118020), (19670, 110754), (20510, 106218), (23604, 92295), (24612, 88515), (25290, 86142), (26370, 82614), (26460, 82333), (27538, 79110), (28714, 75870), (29505, 73836), (30348, 71785), (30765, 70812), (31644, 68845), (35406, 61530), (36918, 59010), (37935, 57428), (39340, 55377), (39555, 55076), (41020, 53109), (41307, 52740), (43071, 50580)]