52821520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 136062720

約数和(自身を除く): 83241200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 59, 62, 76, 80, 95, 118, 124, 152, 155, 190, 236, 248, 295, 304, 310, 361, 380, 472, 496, 589, 590, 620, 722, 760, 944, 1121, 1178, 1180, 1240, 1444, 1520, 1805, 1829, 2242, 2356, 2360, 2480, 2888, 2945, 3610, 3658, 4484, 4712, 4720, 5605, 5776, 5890, 7220, 7316, 8968, 9145, 9424, 11191, 11210, 11780, 14440, 14632, 17936, 18290, 21299, 22382, 22420, 23560, 28880, 29264, 34751, 36580, 42598, 44764, 44840, 47120, 55955, 69502, 73160, 85196, 89528, 89680, 106495, 111910, 139004, 146320, 170392, 173755, 179056, 212990, 223820, 278008, 340784, 347510, 425980, 447640, 556016, 660269, 695020, 851960, 895280, 1320538, 1390040, 1703920, 2641076, 2780080, 3301345, 5282152, 6602690, 10564304, 13205380, 26410760, 52821520]

約数ペア:

[(1, 52821520), (2, 26410760), (4, 13205380), (5, 10564304), (8, 6602690), (10, 5282152), (16, 3301345), (19, 2780080), (20, 2641076), (31, 1703920), (38, 1390040), (40, 1320538), (59, 895280), (62, 851960), (76, 695020), (80, 660269), (95, 556016), (118, 447640), (124, 425980), (152, 347510), (155, 340784), (190, 278008), (236, 223820), (248, 212990), (295, 179056), (304, 173755), (310, 170392), (361, 146320), (380, 139004), (472, 111910), (496, 106495), (589, 89680), (590, 89528), (620, 85196), (722, 73160), (760, 69502), (944, 55955), (1121, 47120), (1178, 44840), (1180, 44764), (1240, 42598), (1444, 36580), (1520, 34751), (1805, 29264), (1829, 28880), (2242, 23560), (2356, 22420), (2360, 22382), (2480, 21299), (2888, 18290), (2945, 17936), (3610, 14632), (3658, 14440), (4484, 11780), (4712, 11210), (4720, 11191), (5605, 9424), (5776, 9145), (5890, 8968), (7220, 7316)]