78879420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 240

約数和(自身を含む): 270768960

約数和(自身を除く): 191889540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 29, 30, 36, 45, 46, 54, 58, 60, 69, 73, 81, 87, 90, 92, 108, 115, 116, 135, 138, 145, 146, 162, 174, 180, 207, 219, 230, 261, 270, 276, 290, 292, 324, 345, 348, 365, 405, 414, 435, 438, 460, 522, 540, 580, 621, 657, 667, 690, 730, 783, 810, 828, 870, 876, 1035, 1044, 1095, 1242, 1305, 1314, 1334, 1380, 1460, 1566, 1620, 1679, 1740, 1863, 1971, 2001, 2070, 2117, 2190, 2349, 2484, 2610, 2628, 2668, 3105, 3132, 3285, 3335, 3358, 3726, 3915, 3942, 4002, 4140, 4234, 4380, 4698, 5037, 5220, 5913, 6003, 6210, 6351, 6570, 6670, 6716, 7452, 7830, 7884, 8004, 8395, 8468, 9315, 9396, 9855, 10005, 10074, 10585, 11745, 11826, 12006, 12420, 12702, 13140, 13340, 15111, 15660, 16790, 18009, 18630, 19053, 19710, 20010, 20148, 21170, 23490, 23652, 24012, 25185, 25404, 29565, 30015, 30222, 31755, 33580, 36018, 37260, 38106, 39420, 40020, 42340, 45333, 46980, 48691, 50370, 54027, 57159, 59130, 60030, 60444, 63510, 72036, 75555, 76212, 90045, 90666, 95265, 97382, 100740, 108054, 114318, 118260, 120060, 127020, 135999, 146073, 151110, 171477, 180090, 181332, 190530, 194764, 216108, 226665, 228636, 243455, 270135, 271998, 285795, 292146, 302220, 342954, 360180, 381060, 438219, 453330, 486910, 540270, 543996, 571590, 584292, 679995, 685908, 730365, 857385, 876438, 906660, 973820, 1080540, 1143180, 1314657, 1359990, 1460730, 1714770, 1752876, 2191095, 2629314, 2719980, 2921460, 3429540, 3943971, 4382190, 5258628, 6573285, 7887942, 8764380, 13146570, 15775884, 19719855, 26293140, 39439710, 78879420]

約数ペア:

[(1, 78879420), (2, 39439710), (3, 26293140), (4, 19719855), (5, 15775884), (6, 13146570), (9, 8764380), (10, 7887942), (12, 6573285), (15, 5258628), (18, 4382190), (20, 3943971), (23, 3429540), (27, 2921460), (29, 2719980), (30, 2629314), (36, 2191095), (45, 1752876), (46, 1714770), (54, 1460730), (58, 1359990), (60, 1314657), (69, 1143180), (73, 1080540), (81, 973820), (87, 906660), (90, 876438), (92, 857385), (108, 730365), (115, 685908), (116, 679995), (135, 584292), (138, 571590), (145, 543996), (146, 540270), (162, 486910), (174, 453330), (180, 438219), (207, 381060), (219, 360180), (230, 342954), (261, 302220), (270, 292146), (276, 285795), (290, 271998), (292, 270135), (324, 243455), (345, 228636), (348, 226665), (365, 216108), (405, 194764), (414, 190530), (435, 181332), (438, 180090), (460, 171477), (522, 151110), (540, 146073), (580, 135999), (621, 127020), (657, 120060), (667, 118260), (690, 114318), (730, 108054), (783, 100740), (810, 97382), (828, 95265), (870, 90666), (876, 90045), (1035, 76212), (1044, 75555), (1095, 72036), (1242, 63510), (1305, 60444), (1314, 60030), (1334, 59130), (1380, 57159), (1460, 54027), (1566, 50370), (1620, 48691), (1679, 46980), (1740, 45333), (1863, 42340), (1971, 40020), (2001, 39420), (2070, 38106), (2117, 37260), (2190, 36018), (2349, 33580), (2484, 31755), (2610, 30222), (2628, 30015), (2668, 29565), (3105, 25404), (3132, 25185), (3285, 24012), (3335, 23652), (3358, 23490), (3726, 21170), (3915, 20148), (3942, 20010), (4002, 19710), (4140, 19053), (4234, 18630), (4380, 18009), (4698, 16790), (5037, 15660), (5220, 15111), (5913, 13340), (6003, 13140), (6210, 12702), (6351, 12420), (6570, 12006), (6670, 11826), (6716, 11745), (7452, 10585), (7830, 10074), (7884, 10005), (8004, 9855), (8395, 9396), (8468, 9315)]