42521220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{1607}}^1$

素因数の和:1639

約数の個数: 144

約数和(自身を含む): 153982080

約数和(自身を除く): 111460860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1607, 1764, 1890, 2205, 2646, 2940, 3214, 3780, 4410, 4821, 5292, 6428, 6615, 8035, 8820, 9642, 11249, 13230, 14463, 16070, 19284, 22498, 24105, 26460, 28926, 32140, 33747, 43389, 44996, 48210, 56245, 57852, 67494, 72315, 78743, 86778, 96420, 101241, 112490, 134988, 144630, 157486, 168735, 173556, 202482, 216945, 224980, 236229, 289260, 303723, 314972, 337470, 393715, 404964, 433890, 472458, 506205, 607446, 674940, 708687, 787430, 867780, 944916, 1012410, 1181145, 1214892, 1417374, 1518615, 1574860, 2024820, 2126061, 2362290, 2834748, 3037230, 3543435, 4252122, 4724580, 6074460, 7086870, 8504244, 10630305, 14173740, 21260610, 42521220]

約数ペア:

[(1, 42521220), (2, 21260610), (3, 14173740), (4, 10630305), (5, 8504244), (6, 7086870), (7, 6074460), (9, 4724580), (10, 4252122), (12, 3543435), (14, 3037230), (15, 2834748), (18, 2362290), (20, 2126061), (21, 2024820), (27, 1574860), (28, 1518615), (30, 1417374), (35, 1214892), (36, 1181145), (42, 1012410), (45, 944916), (49, 867780), (54, 787430), (60, 708687), (63, 674940), (70, 607446), (84, 506205), (90, 472458), (98, 433890), (105, 404964), (108, 393715), (126, 337470), (135, 314972), (140, 303723), (147, 289260), (180, 236229), (189, 224980), (196, 216945), (210, 202482), (245, 173556), (252, 168735), (270, 157486), (294, 144630), (315, 134988), (378, 112490), (420, 101241), (441, 96420), (490, 86778), (540, 78743), (588, 72315), (630, 67494), (735, 57852), (756, 56245), (882, 48210), (945, 44996), (980, 43389), (1260, 33747), (1323, 32140), (1470, 28926), (1607, 26460), (1764, 24105), (1890, 22498), (2205, 19284), (2646, 16070), (2940, 14463), (3214, 13230), (3780, 11249), (4410, 9642), (4821, 8820), (5292, 8035), (6428, 6615)]