15672478420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{8999}}^1$

素因数の和:9145

約数の個数: 72

約数和(自身を含む): 34630848000

約数和(自身を除く): 18958369580

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 2809, 3286, 5618, 6572, 8215, 8999, 11236, 14045, 16430, 17998, 28090, 32860, 35996, 44995, 56180, 87079, 89990, 174158, 179980, 278969, 348316, 435395, 476947, 557938, 870790, 953894, 1115876, 1394845, 1741580, 1907788, 2384735, 2789690, 4769470, 5579380, 9538940, 14785357, 25278191, 29570714, 50556382, 59141428, 73926785, 101112764, 126390955, 147853570, 252781910, 295707140, 505563820, 783623921, 1567247842, 3134495684, 3918119605, 7836239210, 15672478420]

約数ペア:

[(1, 15672478420), (2, 7836239210), (4, 3918119605), (5, 3134495684), (10, 1567247842), (20, 783623921), (31, 505563820), (53, 295707140), (62, 252781910), (106, 147853570), (124, 126390955), (155, 101112764), (212, 73926785), (265, 59141428), (310, 50556382), (530, 29570714), (620, 25278191), (1060, 14785357), (1643, 9538940), (2809, 5579380), (3286, 4769470), (5618, 2789690), (6572, 2384735), (8215, 1907788), (8999, 1741580), (11236, 1394845), (14045, 1115876), (16430, 953894), (17998, 870790), (28090, 557938), (32860, 476947), (35996, 435395), (44995, 348316), (56180, 278969), (87079, 179980), (89990, 174158)]