251423640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1794

約数の個数: 192

約数和(自身を含む): 908893440

約数和(自身を除く): 657469800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1733, 1860, 2015, 2232, 2340, 2418, 2790, 3224, 3466, 3627, 3720, 4030, 4680, 4836, 5199, 5580, 6045, 6932, 7254, 8060, 8665, 9672, 10398, 11160, 12090, 13864, 14508, 15597, 16120, 17330, 18135, 20796, 22529, 24180, 25995, 29016, 31194, 34660, 36270, 41592, 45058, 48360, 51990, 53723, 62388, 67587, 69320, 72540, 77985, 90116, 103980, 107446, 112645, 124776, 135174, 145080, 155970, 161169, 180232, 202761, 207960, 214892, 225290, 268615, 270348, 311940, 322338, 337935, 405522, 429784, 450580, 483507, 537230, 540696, 623880, 644676, 675870, 698399, 805845, 811044, 901160, 967014, 1013805, 1074460, 1289352, 1351740, 1396798, 1611690, 1622088, 1934028, 2027610, 2095197, 2148920, 2417535, 2703480, 2793596, 3223380, 3491995, 3868056, 4055220, 4190394, 4835070, 5587192, 6285591, 6446760, 6983990, 8110440, 8380788, 9670140, 10475985, 12571182, 13967980, 16761576, 19340280, 20951970, 25142364, 27935960, 31427955, 41903940, 50284728, 62855910, 83807880, 125711820, 251423640]

約数ペア:

[(1, 251423640), (2, 125711820), (3, 83807880), (4, 62855910), (5, 50284728), (6, 41903940), (8, 31427955), (9, 27935960), (10, 25142364), (12, 20951970), (13, 19340280), (15, 16761576), (18, 13967980), (20, 12571182), (24, 10475985), (26, 9670140), (30, 8380788), (31, 8110440), (36, 6983990), (39, 6446760), (40, 6285591), (45, 5587192), (52, 4835070), (60, 4190394), (62, 4055220), (65, 3868056), (72, 3491995), (78, 3223380), (90, 2793596), (93, 2703480), (104, 2417535), (117, 2148920), (120, 2095197), (124, 2027610), (130, 1934028), (155, 1622088), (156, 1611690), (180, 1396798), (186, 1351740), (195, 1289352), (234, 1074460), (248, 1013805), (260, 967014), (279, 901160), (310, 811044), (312, 805845), (360, 698399), (372, 675870), (390, 644676), (403, 623880), (465, 540696), (468, 537230), (520, 483507), (558, 450580), (585, 429784), (620, 405522), (744, 337935), (780, 322338), (806, 311940), (930, 270348), (936, 268615), (1116, 225290), (1170, 214892), (1209, 207960), (1240, 202761), (1395, 180232), (1560, 161169), (1612, 155970), (1733, 145080), (1860, 135174), (2015, 124776), (2232, 112645), (2340, 107446), (2418, 103980), (2790, 90116), (3224, 77985), (3466, 72540), (3627, 69320), (3720, 67587), (4030, 62388), (4680, 53723), (4836, 51990), (5199, 48360), (5580, 45058), (6045, 41592), (6932, 36270), (7254, 34660), (8060, 31194), (8665, 29016), (9672, 25995), (10398, 24180), (11160, 22529), (12090, 20796), (13864, 18135), (14508, 17330), (15597, 16120)]