28456216880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18013}}^1$

素因数の和:18084

約数の個数: 240

約数和(自身を含む): 85561023744

約数和(自身を除く): 57104806864

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 80, 91, 98, 104, 112, 124, 130, 140, 155, 182, 196, 208, 217, 245, 248, 260, 280, 310, 364, 392, 403, 434, 455, 490, 496, 520, 560, 620, 637, 728, 784, 806, 868, 910, 980, 1040, 1085, 1240, 1274, 1456, 1519, 1612, 1736, 1820, 1960, 2015, 2170, 2480, 2548, 2821, 3038, 3185, 3224, 3472, 3640, 3920, 4030, 4340, 5096, 5642, 6076, 6370, 6448, 7280, 7595, 8060, 8680, 10192, 11284, 12152, 12740, 14105, 15190, 16120, 17360, 18013, 19747, 22568, 24304, 25480, 28210, 30380, 32240, 36026, 39494, 45136, 50960, 56420, 60760, 72052, 78988, 90065, 98735, 112840, 121520, 126091, 144104, 157976, 180130, 197470, 225680, 234169, 252182, 288208, 315952, 360260, 394940, 468338, 504364, 558403, 630455, 720520, 789880, 882637, 936676, 1008728, 1116806, 1170845, 1260910, 1441040, 1579760, 1639183, 1765274, 1873352, 2017456, 2233612, 2341690, 2521820, 2792015, 3278366, 3530548, 3746704, 3908821, 4413185, 4467224, 4683380, 5043640, 5584030, 6556732, 7061096, 7259239, 7817642, 8195915, 8826370, 8934448, 9366760, 10087280, 11168060, 11474281, 13113464, 14122192, 14518478, 15635284, 16391830, 17652740, 18733520, 19544105, 22336120, 22948562, 26226928, 27361747, 29036956, 31270568, 32783660, 35305480, 36296195, 39088210, 44672240, 45897124, 50814673, 54723494, 57371405, 58073912, 62541136, 65567320, 70610960, 72592390, 78176420, 91794248, 101629346, 109446988, 114742810, 116147824, 131134640, 136808735, 145184780, 156352840, 183588496, 203258692, 218893976, 229485620, 254073365, 273617470, 290369560, 312705680, 355702711, 406517384, 437787952, 458971240, 508146730, 547234940, 580739120, 711405422, 813034768, 917942480, 1016293460, 1094469880, 1422810844, 1778513555, 2032586920, 2188939760, 2845621688, 3557027110, 4065173840, 5691243376, 7114054220, 14228108440, 28456216880]

約数ペア:

[(1, 28456216880), (2, 14228108440), (4, 7114054220), (5, 5691243376), (7, 4065173840), (8, 3557027110), (10, 2845621688), (13, 2188939760), (14, 2032586920), (16, 1778513555), (20, 1422810844), (26, 1094469880), (28, 1016293460), (31, 917942480), (35, 813034768), (40, 711405422), (49, 580739120), (52, 547234940), (56, 508146730), (62, 458971240), (65, 437787952), (70, 406517384), (80, 355702711), (91, 312705680), (98, 290369560), (104, 273617470), (112, 254073365), (124, 229485620), (130, 218893976), (140, 203258692), (155, 183588496), (182, 156352840), (196, 145184780), (208, 136808735), (217, 131134640), (245, 116147824), (248, 114742810), (260, 109446988), (280, 101629346), (310, 91794248), (364, 78176420), (392, 72592390), (403, 70610960), (434, 65567320), (455, 62541136), (490, 58073912), (496, 57371405), (520, 54723494), (560, 50814673), (620, 45897124), (637, 44672240), (728, 39088210), (784, 36296195), (806, 35305480), (868, 32783660), (910, 31270568), (980, 29036956), (1040, 27361747), (1085, 26226928), (1240, 22948562), (1274, 22336120), (1456, 19544105), (1519, 18733520), (1612, 17652740), (1736, 16391830), (1820, 15635284), (1960, 14518478), (2015, 14122192), (2170, 13113464), (2480, 11474281), (2548, 11168060), (2821, 10087280), (3038, 9366760), (3185, 8934448), (3224, 8826370), (3472, 8195915), (3640, 7817642), (3920, 7259239), (4030, 7061096), (4340, 6556732), (5096, 5584030), (5642, 5043640), (6076, 4683380), (6370, 4467224), (6448, 4413185), (7280, 3908821), (7595, 3746704), (8060, 3530548), (8680, 3278366), (10192, 2792015), (11284, 2521820), (12152, 2341690), (12740, 2233612), (14105, 2017456), (15190, 1873352), (16120, 1765274), (17360, 1639183), (18013, 1579760), (19747, 1441040), (22568, 1260910), (24304, 1170845), (25480, 1116806), (28210, 1008728), (30380, 936676), (32240, 882637), (36026, 789880), (39494, 720520), (45136, 630455), (50960, 558403), (56420, 504364), (60760, 468338), (72052, 394940), (78988, 360260), (90065, 315952), (98735, 288208), (112840, 252182), (121520, 234169), (126091, 225680), (144104, 197470), (157976, 180130)]