80581950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:890

約数の個数: 72

約数和(自身を含む): 217552296

約数和(自身を除く): 136970346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 331, 450, 541, 662, 993, 1082, 1623, 1655, 1986, 2705, 2979, 3246, 3310, 4869, 4965, 5410, 5958, 8115, 8275, 9738, 9930, 13525, 14895, 16230, 16550, 24345, 24825, 27050, 29790, 40575, 48690, 49650, 74475, 81150, 121725, 148950, 179071, 243450, 358142, 537213, 895355, 1074426, 1611639, 1790710, 2686065, 3223278, 4476775, 5372130, 8058195, 8953550, 13430325, 16116390, 26860650, 40290975, 80581950]

約数ペア:

[(1, 80581950), (2, 40290975), (3, 26860650), (5, 16116390), (6, 13430325), (9, 8953550), (10, 8058195), (15, 5372130), (18, 4476775), (25, 3223278), (30, 2686065), (45, 1790710), (50, 1611639), (75, 1074426), (90, 895355), (150, 537213), (225, 358142), (331, 243450), (450, 179071), (541, 148950), (662, 121725), (993, 81150), (1082, 74475), (1623, 49650), (1655, 48690), (1986, 40575), (2705, 29790), (2979, 27050), (3246, 24825), (3310, 24345), (4869, 16550), (4965, 16230), (5410, 14895), (5958, 13525), (8115, 9930), (8275, 9738)]