71389920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{21247}}^1$

素因数の和:21272

約数の個数: 96

約数和(自身を含む): 257015808

約数和(自身を除く): 185625888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 21247, 42494, 63741, 84988, 106235, 127482, 148729, 169976, 212470, 254964, 297458, 318705, 339952, 424940, 446187, 509928, 594916, 637410, 679904, 743645, 849880, 892374, 1019856, 1189832, 1274820, 1487290, 1699760, 1784748, 2039712, 2230935, 2379664, 2549640, 2974580, 3399520, 3569496, 4461870, 4759328, 5099280, 5949160, 7138992, 8923740, 10198560, 11898320, 14277984, 17847480, 23796640, 35694960, 71389920]

約数ペア:

[(1, 71389920), (2, 35694960), (3, 23796640), (4, 17847480), (5, 14277984), (6, 11898320), (7, 10198560), (8, 8923740), (10, 7138992), (12, 5949160), (14, 5099280), (15, 4759328), (16, 4461870), (20, 3569496), (21, 3399520), (24, 2974580), (28, 2549640), (30, 2379664), (32, 2230935), (35, 2039712), (40, 1784748), (42, 1699760), (48, 1487290), (56, 1274820), (60, 1189832), (70, 1019856), (80, 892374), (84, 849880), (96, 743645), (105, 679904), (112, 637410), (120, 594916), (140, 509928), (160, 446187), (168, 424940), (210, 339952), (224, 318705), (240, 297458), (280, 254964), (336, 212470), (420, 169976), (480, 148729), (560, 127482), (672, 106235), (840, 84988), (1120, 63741), (1680, 42494), (3360, 21247)]