18507791120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{82009}}^1$

素因数の和:82073

約数の個数: 160

約数和(自身を含む): 54669834240

約数和(自身を除く): 36162043120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 5642, 6448, 7280, 8060, 8680, 11284, 14105, 16120, 17360, 22568, 28210, 32240, 45136, 56420, 82009, 112840, 164018, 225680, 328036, 410045, 574063, 656072, 820090, 1066117, 1148126, 1312144, 1640180, 2132234, 2296252, 2542279, 2870315, 3280360, 4264468, 4592504, 5084558, 5330585, 5740630, 6560720, 7462819, 8528936, 9185008, 10169116, 10661170, 11481260, 12711395, 14925638, 17057872, 17795953, 20338232, 21322340, 22962520, 25422790, 29851276, 33049627, 35591906, 37314095, 40676464, 42644680, 45925040, 50845580, 59702552, 66099254, 71183812, 74628190, 85289360, 88979765, 101691160, 119405104, 132198508, 142367624, 149256380, 165248135, 177959530, 203382320, 231347389, 264397016, 284735248, 298512760, 330496270, 355919060, 462694778, 528794032, 597025520, 660992540, 711838120, 925389556, 1156736945, 1321985080, 1423676240, 1850779112, 2313473890, 2643970160, 3701558224, 4626947780, 9253895560, 18507791120]

約数ペア:

[(1, 18507791120), (2, 9253895560), (4, 4626947780), (5, 3701558224), (7, 2643970160), (8, 2313473890), (10, 1850779112), (13, 1423676240), (14, 1321985080), (16, 1156736945), (20, 925389556), (26, 711838120), (28, 660992540), (31, 597025520), (35, 528794032), (40, 462694778), (52, 355919060), (56, 330496270), (62, 298512760), (65, 284735248), (70, 264397016), (80, 231347389), (91, 203382320), (104, 177959530), (112, 165248135), (124, 149256380), (130, 142367624), (140, 132198508), (155, 119405104), (182, 101691160), (208, 88979765), (217, 85289360), (248, 74628190), (260, 71183812), (280, 66099254), (310, 59702552), (364, 50845580), (403, 45925040), (434, 42644680), (455, 40676464), (496, 37314095), (520, 35591906), (560, 33049627), (620, 29851276), (728, 25422790), (806, 22962520), (868, 21322340), (910, 20338232), (1040, 17795953), (1085, 17057872), (1240, 14925638), (1456, 12711395), (1612, 11481260), (1736, 10661170), (1820, 10169116), (2015, 9185008), (2170, 8528936), (2480, 7462819), (2821, 6560720), (3224, 5740630), (3472, 5330585), (3640, 5084558), (4030, 4592504), (4340, 4264468), (5642, 3280360), (6448, 2870315), (7280, 2542279), (8060, 2296252), (8680, 2132234), (11284, 1640180), (14105, 1312144), (16120, 1148126), (17360, 1066117), (22568, 820090), (28210, 656072), (32240, 574063), (45136, 410045), (56420, 328036), (82009, 225680), (112840, 164018)]