154564240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1760

約数の個数: 80

約数和(自身を含む): 384707520

約数和(自身を除く): 230143280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 976, 1159, 1220, 1520, 1667, 2318, 2440, 3334, 4636, 4880, 5795, 6668, 8335, 9272, 11590, 13336, 16670, 18544, 23180, 26672, 31673, 33340, 46360, 63346, 66680, 92720, 101687, 126692, 133360, 158365, 203374, 253384, 316730, 406748, 506768, 508435, 633460, 813496, 1016870, 1266920, 1626992, 1932053, 2033740, 2533840, 3864106, 4067480, 7728212, 8134960, 9660265, 15456424, 19320530, 30912848, 38641060, 77282120, 154564240]

約数ペア:

[(1, 154564240), (2, 77282120), (4, 38641060), (5, 30912848), (8, 19320530), (10, 15456424), (16, 9660265), (19, 8134960), (20, 7728212), (38, 4067480), (40, 3864106), (61, 2533840), (76, 2033740), (80, 1932053), (95, 1626992), (122, 1266920), (152, 1016870), (190, 813496), (244, 633460), (304, 508435), (305, 506768), (380, 406748), (488, 316730), (610, 253384), (760, 203374), (976, 158365), (1159, 133360), (1220, 126692), (1520, 101687), (1667, 92720), (2318, 66680), (2440, 63346), (3334, 46360), (4636, 33340), (4880, 31673), (5795, 26672), (6668, 23180), (8335, 18544), (9272, 16670), (11590, 13336)]