312991560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2179}}^1$

素因数の和:2225

約数の個数: 256

約数和(自身を含む): 1255680000

約数和(自身を除く): 942688440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2179, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4358, 4788, 5130, 5320, 5985, 6537, 6840, 7182, 7560, 7980, 8716, 9576, 10260, 10895, 11970, 13074, 14364, 15253, 15960, 17432, 17955, 19611, 20520, 21790, 23940, 26148, 28728, 30506, 32685, 35910, 39222, 41401, 43580, 45759, 47880, 52296, 58833, 61012, 65370, 71820, 76265, 78444, 82802, 87160, 91518, 98055, 117666, 122024, 124203, 130740, 137277, 143640, 152530, 156888, 165604, 183036, 196110, 207005, 228795, 235332, 248406, 261480, 274554, 289807, 294165, 305060, 331208, 366072, 372609, 392220, 411831, 414010, 457590, 470664, 496812, 549108, 579614, 588330, 610120, 621015, 686385, 745218, 784440, 823662, 828020, 869421, 915180, 993624, 1098216, 1117827, 1159228, 1176660, 1242030, 1372770, 1449035, 1490436, 1647324, 1656040, 1738842, 1830360, 1863045, 2059155, 2235654, 2318456, 2353320, 2484060, 2608263, 2745540, 2898070, 2980872, 3294648, 3477684, 3726090, 4118310, 4347105, 4471308, 4968120, 5216526, 5491080, 5589135, 5796140, 6955368, 7452180, 7824789, 8236620, 8694210, 8942616, 10433052, 11178270, 11592280, 13041315, 14904360, 15649578, 16473240, 17388420, 20866104, 22356540, 26082630, 31299156, 34776840, 39123945, 44713080, 52165260, 62598312, 78247890, 104330520, 156495780, 312991560]

約数ペア:

[(1, 312991560), (2, 156495780), (3, 104330520), (4, 78247890), (5, 62598312), (6, 52165260), (7, 44713080), (8, 39123945), (9, 34776840), (10, 31299156), (12, 26082630), (14, 22356540), (15, 20866104), (18, 17388420), (19, 16473240), (20, 15649578), (21, 14904360), (24, 13041315), (27, 11592280), (28, 11178270), (30, 10433052), (35, 8942616), (36, 8694210), (38, 8236620), (40, 7824789), (42, 7452180), (45, 6955368), (54, 5796140), (56, 5589135), (57, 5491080), (60, 5216526), (63, 4968120), (70, 4471308), (72, 4347105), (76, 4118310), (84, 3726090), (90, 3477684), (95, 3294648), (105, 2980872), (108, 2898070), (114, 2745540), (120, 2608263), (126, 2484060), (133, 2353320), (135, 2318456), (140, 2235654), (152, 2059155), (168, 1863045), (171, 1830360), (180, 1738842), (189, 1656040), (190, 1647324), (210, 1490436), (216, 1449035), (228, 1372770), (252, 1242030), (266, 1176660), (270, 1159228), (280, 1117827), (285, 1098216), (315, 993624), (342, 915180), (360, 869421), (378, 828020), (380, 823662), (399, 784440), (420, 745218), (456, 686385), (504, 621015), (513, 610120), (532, 588330), (540, 579614), (570, 549108), (630, 496812), (665, 470664), (684, 457590), (756, 414010), (760, 411831), (798, 392220), (840, 372609), (855, 366072), (945, 331208), (1026, 305060), (1064, 294165), (1080, 289807), (1140, 274554), (1197, 261480), (1260, 248406), (1330, 235332), (1368, 228795), (1512, 207005), (1596, 196110), (1710, 183036), (1890, 165604), (1995, 156888), (2052, 152530), (2179, 143640), (2280, 137277), (2394, 130740), (2520, 124203), (2565, 122024), (2660, 117666), (3192, 98055), (3420, 91518), (3591, 87160), (3780, 82802), (3990, 78444), (4104, 76265), (4358, 71820), (4788, 65370), (5130, 61012), (5320, 58833), (5985, 52296), (6537, 47880), (6840, 45759), (7182, 43580), (7560, 41401), (7980, 39222), (8716, 35910), (9576, 32685), (10260, 30506), (10895, 28728), (11970, 26148), (13074, 23940), (14364, 21790), (15253, 20520), (15960, 19611), (17432, 17955)]