80716560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:637

約数の個数: 160

約数和(自身を含む): 272363520

約数和(自身を除く): 191646960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 571, 589, 620, 744, 760, 912, 930, 1140, 1142, 1178, 1240, 1488, 1520, 1713, 1767, 1860, 2280, 2284, 2356, 2480, 2855, 2945, 3426, 3534, 3720, 4560, 4568, 4712, 5710, 5890, 6852, 7068, 7440, 8565, 8835, 9136, 9424, 10849, 11420, 11780, 13704, 14136, 17130, 17670, 17701, 21698, 22840, 23560, 27408, 28272, 32547, 34260, 35340, 35402, 43396, 45680, 47120, 53103, 54245, 65094, 68520, 70680, 70804, 86792, 88505, 106206, 108490, 130188, 137040, 141360, 141608, 162735, 173584, 177010, 212412, 216980, 260376, 265515, 283216, 325470, 336319, 354020, 424824, 433960, 520752, 531030, 650940, 672638, 708040, 849648, 867920, 1008957, 1062060, 1301880, 1345276, 1416080, 1681595, 2017914, 2124120, 2603760, 2690552, 3363190, 4035828, 4248240, 5044785, 5381104, 6726380, 8071656, 10089570, 13452760, 16143312, 20179140, 26905520, 40358280, 80716560]

約数ペア:

[(1, 80716560), (2, 40358280), (3, 26905520), (4, 20179140), (5, 16143312), (6, 13452760), (8, 10089570), (10, 8071656), (12, 6726380), (15, 5381104), (16, 5044785), (19, 4248240), (20, 4035828), (24, 3363190), (30, 2690552), (31, 2603760), (38, 2124120), (40, 2017914), (48, 1681595), (57, 1416080), (60, 1345276), (62, 1301880), (76, 1062060), (80, 1008957), (93, 867920), (95, 849648), (114, 708040), (120, 672638), (124, 650940), (152, 531030), (155, 520752), (186, 433960), (190, 424824), (228, 354020), (240, 336319), (248, 325470), (285, 283216), (304, 265515), (310, 260376), (372, 216980), (380, 212412), (456, 177010), (465, 173584), (496, 162735), (570, 141608), (571, 141360), (589, 137040), (620, 130188), (744, 108490), (760, 106206), (912, 88505), (930, 86792), (1140, 70804), (1142, 70680), (1178, 68520), (1240, 65094), (1488, 54245), (1520, 53103), (1713, 47120), (1767, 45680), (1860, 43396), (2280, 35402), (2284, 35340), (2356, 34260), (2480, 32547), (2855, 28272), (2945, 27408), (3426, 23560), (3534, 22840), (3720, 21698), (4560, 17701), (4568, 17670), (4712, 17130), (5710, 14136), (5890, 13704), (6852, 11780), (7068, 11420), (7440, 10849), (8565, 9424), (8835, 9136)]