42780060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{877}}^1$

素因数の和:1163

約数の個数: 72

約数和(自身を含む): 130393536

約数和(自身を除く): 87613476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 877, 1084, 1355, 1626, 1754, 2439, 2631, 2710, 3252, 3508, 4065, 4385, 4878, 5262, 5420, 7893, 8130, 8770, 9756, 10524, 12195, 13155, 15786, 16260, 17540, 24390, 26310, 31572, 39465, 48780, 52620, 78930, 157860, 237667, 475334, 713001, 950668, 1188335, 1426002, 2139003, 2376670, 2852004, 3565005, 4278006, 4753340, 7130010, 8556012, 10695015, 14260020, 21390030, 42780060]

約数ペア:

[(1, 42780060), (2, 21390030), (3, 14260020), (4, 10695015), (5, 8556012), (6, 7130010), (9, 4753340), (10, 4278006), (12, 3565005), (15, 2852004), (18, 2376670), (20, 2139003), (30, 1426002), (36, 1188335), (45, 950668), (60, 713001), (90, 475334), (180, 237667), (271, 157860), (542, 78930), (813, 52620), (877, 48780), (1084, 39465), (1355, 31572), (1626, 26310), (1754, 24390), (2439, 17540), (2631, 16260), (2710, 15786), (3252, 13155), (3508, 12195), (4065, 10524), (4385, 9756), (4878, 8770), (5262, 8130), (5420, 7893)]