31428450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:560

約数の個数: 72

約数和(自身を含む): 85094256

約数和(自身を除く): 53665806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 211, 225, 331, 422, 450, 633, 662, 993, 1055, 1266, 1655, 1899, 1986, 2110, 2979, 3165, 3310, 3798, 4965, 5275, 5958, 6330, 8275, 9495, 9930, 10550, 14895, 15825, 16550, 18990, 24825, 29790, 31650, 47475, 49650, 69841, 74475, 94950, 139682, 148950, 209523, 349205, 419046, 628569, 698410, 1047615, 1257138, 1746025, 2095230, 3142845, 3492050, 5238075, 6285690, 10476150, 15714225, 31428450]

約数ペア:

[(1, 31428450), (2, 15714225), (3, 10476150), (5, 6285690), (6, 5238075), (9, 3492050), (10, 3142845), (15, 2095230), (18, 1746025), (25, 1257138), (30, 1047615), (45, 698410), (50, 628569), (75, 419046), (90, 349205), (150, 209523), (211, 148950), (225, 139682), (331, 94950), (422, 74475), (450, 69841), (633, 49650), (662, 47475), (993, 31650), (1055, 29790), (1266, 24825), (1655, 18990), (1899, 16550), (1986, 15825), (2110, 14895), (2979, 10550), (3165, 9930), (3310, 9495), (3798, 8275), (4965, 6330), (5275, 5958)]