1720787250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1386

約数の個数: 256

約数和(自身を含む): 5568675840

約数和(自身を除く): 3847888590

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 25, 26, 30, 35, 38, 39, 42, 50, 57, 65, 70, 75, 78, 91, 95, 105, 114, 125, 130, 133, 150, 175, 182, 190, 195, 210, 247, 250, 266, 273, 285, 325, 350, 375, 390, 399, 455, 475, 494, 525, 546, 570, 650, 665, 741, 750, 798, 875, 910, 950, 975, 1050, 1235, 1327, 1330, 1365, 1425, 1482, 1625, 1729, 1750, 1950, 1995, 2275, 2375, 2470, 2625, 2654, 2730, 2850, 3250, 3325, 3458, 3705, 3981, 3990, 4550, 4750, 4875, 5187, 5250, 6175, 6635, 6650, 6825, 7125, 7410, 7962, 8645, 9289, 9750, 9975, 10374, 11375, 12350, 13270, 13650, 14250, 16625, 17251, 17290, 18525, 18578, 19905, 19950, 22750, 25213, 25935, 27867, 30875, 33175, 33250, 34125, 34502, 37050, 39810, 43225, 46445, 49875, 50426, 51753, 51870, 55734, 61750, 66350, 68250, 75639, 86255, 86450, 92625, 92890, 99525, 99750, 103506, 120757, 126065, 129675, 139335, 151278, 165875, 172510, 176491, 185250, 199050, 216125, 232225, 241514, 252130, 258765, 259350, 278670, 327769, 331750, 352982, 362271, 378195, 431275, 432250, 464450, 497625, 517530, 529473, 603785, 630325, 648375, 655538, 696675, 724542, 756390, 862550, 882455, 983307, 995250, 1058946, 1161125, 1207570, 1260650, 1293825, 1296750, 1393350, 1638845, 1764910, 1811355, 1890975, 1966614, 2156375, 2294383, 2322250, 2587650, 2647365, 3018925, 3151625, 3277690, 3483375, 3622710, 3781950, 4312750, 4412275, 4588766, 4916535, 5294730, 6037850, 6303250, 6469125, 6883149, 6966750, 8194225, 8824550, 9056775, 9454875, 9833070, 11471915, 12938250, 13236825, 13766298, 15094625, 16388450, 18113550, 18909750, 22061375, 22943830, 24582675, 26473650, 30189250, 34415745, 40971125, 44122750, 45283875, 49165350, 57359575, 66184125, 68831490, 81942250, 90567750, 114719150, 122913375, 132368250, 172078725, 245826750, 286797875, 344157450, 573595750, 860393625, 1720787250]

約数ペア:

[(1, 1720787250), (2, 860393625), (3, 573595750), (5, 344157450), (6, 286797875), (7, 245826750), (10, 172078725), (13, 132368250), (14, 122913375), (15, 114719150), (19, 90567750), (21, 81942250), (25, 68831490), (26, 66184125), (30, 57359575), (35, 49165350), (38, 45283875), (39, 44122750), (42, 40971125), (50, 34415745), (57, 30189250), (65, 26473650), (70, 24582675), (75, 22943830), (78, 22061375), (91, 18909750), (95, 18113550), (105, 16388450), (114, 15094625), (125, 13766298), (130, 13236825), (133, 12938250), (150, 11471915), (175, 9833070), (182, 9454875), (190, 9056775), (195, 8824550), (210, 8194225), (247, 6966750), (250, 6883149), (266, 6469125), (273, 6303250), (285, 6037850), (325, 5294730), (350, 4916535), (375, 4588766), (390, 4412275), (399, 4312750), (455, 3781950), (475, 3622710), (494, 3483375), (525, 3277690), (546, 3151625), (570, 3018925), (650, 2647365), (665, 2587650), (741, 2322250), (750, 2294383), (798, 2156375), (875, 1966614), (910, 1890975), (950, 1811355), (975, 1764910), (1050, 1638845), (1235, 1393350), (1327, 1296750), (1330, 1293825), (1365, 1260650), (1425, 1207570), (1482, 1161125), (1625, 1058946), (1729, 995250), (1750, 983307), (1950, 882455), (1995, 862550), (2275, 756390), (2375, 724542), (2470, 696675), (2625, 655538), (2654, 648375), (2730, 630325), (2850, 603785), (3250, 529473), (3325, 517530), (3458, 497625), (3705, 464450), (3981, 432250), (3990, 431275), (4550, 378195), (4750, 362271), (4875, 352982), (5187, 331750), (5250, 327769), (6175, 278670), (6635, 259350), (6650, 258765), (6825, 252130), (7125, 241514), (7410, 232225), (7962, 216125), (8645, 199050), (9289, 185250), (9750, 176491), (9975, 172510), (10374, 165875), (11375, 151278), (12350, 139335), (13270, 129675), (13650, 126065), (14250, 120757), (16625, 103506), (17251, 99750), (17290, 99525), (18525, 92890), (18578, 92625), (19905, 86450), (19950, 86255), (22750, 75639), (25213, 68250), (25935, 66350), (27867, 61750), (30875, 55734), (33175, 51870), (33250, 51753), (34125, 50426), (34502, 49875), (37050, 46445), (39810, 43225)]