2788654320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8863}}^1$

素因数の和:8924

約数の個数: 240

約数和(自身を含む): 10287912960

約数和(自身を除く): 7499258640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 48, 57, 60, 69, 72, 76, 80, 90, 92, 95, 114, 115, 120, 138, 144, 152, 171, 180, 184, 190, 207, 228, 230, 240, 276, 285, 304, 342, 345, 360, 368, 380, 414, 437, 456, 460, 552, 570, 684, 690, 720, 760, 828, 855, 874, 912, 920, 1035, 1104, 1140, 1311, 1368, 1380, 1520, 1656, 1710, 1748, 1840, 2070, 2185, 2280, 2622, 2736, 2760, 3312, 3420, 3496, 3933, 4140, 4370, 4560, 5244, 5520, 6555, 6840, 6992, 7866, 8280, 8740, 8863, 10488, 13110, 13680, 15732, 16560, 17480, 17726, 19665, 20976, 26220, 26589, 31464, 34960, 35452, 39330, 44315, 52440, 53178, 62928, 70904, 78660, 79767, 88630, 104880, 106356, 132945, 141808, 157320, 159534, 168397, 177260, 203849, 212712, 265890, 314640, 319068, 336794, 354520, 398835, 407698, 425424, 505191, 531780, 611547, 638136, 673588, 709040, 797670, 815396, 841985, 1010382, 1019245, 1063560, 1223094, 1276272, 1347176, 1515573, 1595340, 1630792, 1683970, 1834641, 2020764, 2038490, 2127120, 2446188, 2525955, 2694352, 3031146, 3057735, 3190680, 3261584, 3367940, 3669282, 3873131, 4041528, 4076980, 4892376, 5051910, 6062292, 6115470, 6381360, 6735880, 7338564, 7577865, 7746262, 8083056, 8153960, 9173205, 9784752, 10103820, 11619393, 12124584, 12230940, 13471760, 14677128, 15155730, 15492524, 16307920, 18346410, 19365655, 20207640, 23238786, 24249168, 24461880, 29354256, 30311460, 30985048, 34858179, 36692820, 38731310, 40415280, 46477572, 48923760, 58096965, 60622920, 61970096, 69716358, 73385640, 77462620, 92955144, 116193930, 121245840, 139432716, 146771280, 154925240, 174290895, 185910288, 232387860, 278865432, 309850480, 348581790, 464775720, 557730864, 697163580, 929551440, 1394327160, 2788654320]

約数ペア:

[(1, 2788654320), (2, 1394327160), (3, 929551440), (4, 697163580), (5, 557730864), (6, 464775720), (8, 348581790), (9, 309850480), (10, 278865432), (12, 232387860), (15, 185910288), (16, 174290895), (18, 154925240), (19, 146771280), (20, 139432716), (23, 121245840), (24, 116193930), (30, 92955144), (36, 77462620), (38, 73385640), (40, 69716358), (45, 61970096), (46, 60622920), (48, 58096965), (57, 48923760), (60, 46477572), (69, 40415280), (72, 38731310), (76, 36692820), (80, 34858179), (90, 30985048), (92, 30311460), (95, 29354256), (114, 24461880), (115, 24249168), (120, 23238786), (138, 20207640), (144, 19365655), (152, 18346410), (171, 16307920), (180, 15492524), (184, 15155730), (190, 14677128), (207, 13471760), (228, 12230940), (230, 12124584), (240, 11619393), (276, 10103820), (285, 9784752), (304, 9173205), (342, 8153960), (345, 8083056), (360, 7746262), (368, 7577865), (380, 7338564), (414, 6735880), (437, 6381360), (456, 6115470), (460, 6062292), (552, 5051910), (570, 4892376), (684, 4076980), (690, 4041528), (720, 3873131), (760, 3669282), (828, 3367940), (855, 3261584), (874, 3190680), (912, 3057735), (920, 3031146), (1035, 2694352), (1104, 2525955), (1140, 2446188), (1311, 2127120), (1368, 2038490), (1380, 2020764), (1520, 1834641), (1656, 1683970), (1710, 1630792), (1748, 1595340), (1840, 1515573), (2070, 1347176), (2185, 1276272), (2280, 1223094), (2622, 1063560), (2736, 1019245), (2760, 1010382), (3312, 841985), (3420, 815396), (3496, 797670), (3933, 709040), (4140, 673588), (4370, 638136), (4560, 611547), (5244, 531780), (5520, 505191), (6555, 425424), (6840, 407698), (6992, 398835), (7866, 354520), (8280, 336794), (8740, 319068), (8863, 314640), (10488, 265890), (13110, 212712), (13680, 203849), (15732, 177260), (16560, 168397), (17480, 159534), (17726, 157320), (19665, 141808), (20976, 132945), (26220, 106356), (26589, 104880), (31464, 88630), (34960, 79767), (35452, 78660), (39330, 70904), (44315, 62928), (52440, 53178)]