21555778920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{10243}}^1$

素因数の和:10360

約数の個数: 256

約数和(自身を含む): 74346854400

約数和(自身を除く): 52791075480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 71, 76, 78, 95, 104, 114, 120, 130, 142, 152, 156, 190, 195, 213, 228, 247, 260, 284, 285, 312, 355, 380, 390, 426, 456, 494, 520, 568, 570, 710, 741, 760, 780, 852, 923, 988, 1065, 1140, 1235, 1349, 1420, 1482, 1560, 1704, 1846, 1976, 2130, 2280, 2470, 2698, 2769, 2840, 2964, 3692, 3705, 4047, 4260, 4615, 4940, 5396, 5538, 5928, 6745, 7384, 7410, 8094, 8520, 9230, 9880, 10243, 10792, 11076, 13490, 13845, 14820, 16188, 17537, 18460, 20235, 20486, 22152, 26980, 27690, 29640, 30729, 32376, 35074, 36920, 40470, 40972, 51215, 52611, 53960, 55380, 61458, 70148, 80940, 81944, 87685, 102430, 105222, 110760, 122916, 133159, 140296, 153645, 161880, 175370, 194617, 204860, 210444, 245832, 263055, 266318, 307290, 350740, 389234, 399477, 409720, 420888, 526110, 532636, 583851, 614580, 665795, 701480, 727253, 778468, 798954, 973085, 1052220, 1065272, 1167702, 1229160, 1331590, 1454506, 1556936, 1597908, 1946170, 1997385, 2104440, 2181759, 2335404, 2530021, 2663180, 2909012, 2919255, 3195816, 3636265, 3892340, 3994770, 4363518, 4670808, 5060042, 5326360, 5818024, 5838510, 7272530, 7590063, 7784680, 7989540, 8727036, 9454289, 10120084, 10908795, 11677020, 12650105, 13817807, 14545060, 15180126, 15979080, 17454072, 18908578, 20240168, 21817590, 23354040, 25300210, 27635614, 28362867, 29090120, 30360252, 37817156, 37950315, 41453421, 43635180, 47271445, 50600420, 55271228, 56725734, 60720504, 69089035, 75634312, 75900630, 82906842, 87270360, 94542890, 101200840, 110542456, 113451468, 138178070, 141814335, 151801260, 165813684, 179631491, 189085780, 207267105, 226902936, 276356140, 283628670, 303602520, 331627368, 359262982, 378171560, 414534210, 538894473, 552712280, 567257340, 718525964, 829068420, 898157455, 1077788946, 1134514680, 1437051928, 1658136840, 1796314910, 2155577892, 2694472365, 3592629820, 4311155784, 5388944730, 7185259640, 10777889460, 21555778920]

約数ペア:

[(1, 21555778920), (2, 10777889460), (3, 7185259640), (4, 5388944730), (5, 4311155784), (6, 3592629820), (8, 2694472365), (10, 2155577892), (12, 1796314910), (13, 1658136840), (15, 1437051928), (19, 1134514680), (20, 1077788946), (24, 898157455), (26, 829068420), (30, 718525964), (38, 567257340), (39, 552712280), (40, 538894473), (52, 414534210), (57, 378171560), (60, 359262982), (65, 331627368), (71, 303602520), (76, 283628670), (78, 276356140), (95, 226902936), (104, 207267105), (114, 189085780), (120, 179631491), (130, 165813684), (142, 151801260), (152, 141814335), (156, 138178070), (190, 113451468), (195, 110542456), (213, 101200840), (228, 94542890), (247, 87270360), (260, 82906842), (284, 75900630), (285, 75634312), (312, 69089035), (355, 60720504), (380, 56725734), (390, 55271228), (426, 50600420), (456, 47271445), (494, 43635180), (520, 41453421), (568, 37950315), (570, 37817156), (710, 30360252), (741, 29090120), (760, 28362867), (780, 27635614), (852, 25300210), (923, 23354040), (988, 21817590), (1065, 20240168), (1140, 18908578), (1235, 17454072), (1349, 15979080), (1420, 15180126), (1482, 14545060), (1560, 13817807), (1704, 12650105), (1846, 11677020), (1976, 10908795), (2130, 10120084), (2280, 9454289), (2470, 8727036), (2698, 7989540), (2769, 7784680), (2840, 7590063), (2964, 7272530), (3692, 5838510), (3705, 5818024), (4047, 5326360), (4260, 5060042), (4615, 4670808), (4940, 4363518), (5396, 3994770), (5538, 3892340), (5928, 3636265), (6745, 3195816), (7384, 2919255), (7410, 2909012), (8094, 2663180), (8520, 2530021), (9230, 2335404), (9880, 2181759), (10243, 2104440), (10792, 1997385), (11076, 1946170), (13490, 1597908), (13845, 1556936), (14820, 1454506), (16188, 1331590), (17537, 1229160), (18460, 1167702), (20235, 1065272), (20486, 1052220), (22152, 973085), (26980, 798954), (27690, 778468), (29640, 727253), (30729, 701480), (32376, 665795), (35074, 614580), (36920, 583851), (40470, 532636), (40972, 526110), (51215, 420888), (52611, 409720), (53960, 399477), (55380, 389234), (61458, 350740), (70148, 307290), (80940, 266318), (81944, 263055), (87685, 245832), (102430, 210444), (105222, 204860), (110760, 194617), (122916, 175370), (133159, 161880), (140296, 153645)]