19507680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 288

約数和(自身を含む): 75479040

約数和(自身を除く): 55971360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 31, 32, 36, 38, 40, 45, 46, 48, 57, 60, 62, 69, 72, 76, 80, 90, 92, 93, 95, 96, 114, 115, 120, 124, 138, 144, 152, 155, 160, 171, 180, 184, 186, 190, 207, 228, 230, 240, 248, 276, 279, 285, 288, 304, 310, 342, 345, 360, 368, 372, 380, 414, 437, 456, 460, 465, 480, 496, 552, 558, 570, 589, 608, 620, 684, 690, 713, 720, 736, 744, 760, 828, 855, 874, 912, 920, 930, 992, 1035, 1104, 1116, 1140, 1178, 1240, 1311, 1368, 1380, 1395, 1426, 1440, 1488, 1520, 1656, 1710, 1748, 1767, 1824, 1840, 1860, 2070, 2139, 2185, 2208, 2232, 2280, 2356, 2480, 2622, 2736, 2760, 2790, 2852, 2945, 2976, 3040, 3312, 3420, 3496, 3534, 3565, 3680, 3720, 3933, 4140, 4278, 4370, 4464, 4560, 4712, 4960, 5244, 5301, 5472, 5520, 5580, 5704, 5890, 6417, 6555, 6624, 6840, 6992, 7068, 7130, 7440, 7866, 8280, 8556, 8740, 8835, 8928, 9120, 9424, 10488, 10602, 10695, 11040, 11160, 11408, 11780, 12834, 13110, 13547, 13680, 13984, 14136, 14260, 14880, 15732, 16560, 17112, 17480, 17670, 18848, 19665, 20976, 21204, 21390, 22320, 22816, 23560, 25668, 26220, 26505, 27094, 27360, 28272, 28520, 31464, 32085, 33120, 34224, 34960, 35340, 39330, 40641, 41952, 42408, 42780, 44640, 47120, 51336, 52440, 53010, 54188, 56544, 57040, 62928, 64170, 67735, 68448, 69920, 70680, 78660, 81282, 84816, 85560, 94240, 102672, 104880, 106020, 108376, 114080, 121923, 125856, 128340, 135470, 141360, 157320, 162564, 169632, 171120, 203205, 205344, 209760, 212040, 216752, 243846, 256680, 270940, 282720, 314640, 325128, 342240, 406410, 424080, 433504, 487692, 513360, 541880, 609615, 629280, 650256, 812820, 848160, 975384, 1026720, 1083760, 1219230, 1300512, 1625640, 1950768, 2167520, 2438460, 3251280, 3901536, 4876920, 6502560, 9753840, 19507680]

約数ペア:

[(1, 19507680), (2, 9753840), (3, 6502560), (4, 4876920), (5, 3901536), (6, 3251280), (8, 2438460), (9, 2167520), (10, 1950768), (12, 1625640), (15, 1300512), (16, 1219230), (18, 1083760), (19, 1026720), (20, 975384), (23, 848160), (24, 812820), (30, 650256), (31, 629280), (32, 609615), (36, 541880), (38, 513360), (40, 487692), (45, 433504), (46, 424080), (48, 406410), (57, 342240), (60, 325128), (62, 314640), (69, 282720), (72, 270940), (76, 256680), (80, 243846), (90, 216752), (92, 212040), (93, 209760), (95, 205344), (96, 203205), (114, 171120), (115, 169632), (120, 162564), (124, 157320), (138, 141360), (144, 135470), (152, 128340), (155, 125856), (160, 121923), (171, 114080), (180, 108376), (184, 106020), (186, 104880), (190, 102672), (207, 94240), (228, 85560), (230, 84816), (240, 81282), (248, 78660), (276, 70680), (279, 69920), (285, 68448), (288, 67735), (304, 64170), (310, 62928), (342, 57040), (345, 56544), (360, 54188), (368, 53010), (372, 52440), (380, 51336), (414, 47120), (437, 44640), (456, 42780), (460, 42408), (465, 41952), (480, 40641), (496, 39330), (552, 35340), (558, 34960), (570, 34224), (589, 33120), (608, 32085), (620, 31464), (684, 28520), (690, 28272), (713, 27360), (720, 27094), (736, 26505), (744, 26220), (760, 25668), (828, 23560), (855, 22816), (874, 22320), (912, 21390), (920, 21204), (930, 20976), (992, 19665), (1035, 18848), (1104, 17670), (1116, 17480), (1140, 17112), (1178, 16560), (1240, 15732), (1311, 14880), (1368, 14260), (1380, 14136), (1395, 13984), (1426, 13680), (1440, 13547), (1488, 13110), (1520, 12834), (1656, 11780), (1710, 11408), (1748, 11160), (1767, 11040), (1824, 10695), (1840, 10602), (1860, 10488), (2070, 9424), (2139, 9120), (2185, 8928), (2208, 8835), (2232, 8740), (2280, 8556), (2356, 8280), (2480, 7866), (2622, 7440), (2736, 7130), (2760, 7068), (2790, 6992), (2852, 6840), (2945, 6624), (2976, 6555), (3040, 6417), (3312, 5890), (3420, 5704), (3496, 5580), (3534, 5520), (3565, 5472), (3680, 5301), (3720, 5244), (3933, 4960), (4140, 4712), (4278, 4560), (4370, 4464)]