749278920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1051}}^1$

素因数の和:1535

約数の個数: 128

約数和(自身を含む): 2428352640

約数和(自身を除く): 1679073720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 457, 520, 780, 914, 1051, 1371, 1560, 1828, 2102, 2285, 2742, 3153, 3656, 4204, 4570, 5255, 5484, 5941, 6306, 6855, 8408, 9140, 10510, 10968, 11882, 12612, 13663, 13710, 15765, 17823, 18280, 21020, 23764, 25224, 27326, 27420, 29705, 31530, 35646, 40989, 42040, 47528, 54652, 54840, 59410, 63060, 68315, 71292, 81978, 89115, 109304, 118820, 126120, 136630, 142584, 163956, 178230, 204945, 237640, 273260, 327912, 356460, 409890, 480307, 546520, 712920, 819780, 960614, 1440921, 1639560, 1921228, 2401535, 2881842, 3842456, 4803070, 5763684, 6243991, 7204605, 9606140, 11527368, 12487982, 14409210, 18731973, 19212280, 24975964, 28818420, 31219955, 37463946, 49951928, 57636840, 62439910, 74927892, 93659865, 124879820, 149855784, 187319730, 249759640, 374639460, 749278920]

約数ペア:

[(1, 749278920), (2, 374639460), (3, 249759640), (4, 187319730), (5, 149855784), (6, 124879820), (8, 93659865), (10, 74927892), (12, 62439910), (13, 57636840), (15, 49951928), (20, 37463946), (24, 31219955), (26, 28818420), (30, 24975964), (39, 19212280), (40, 18731973), (52, 14409210), (60, 12487982), (65, 11527368), (78, 9606140), (104, 7204605), (120, 6243991), (130, 5763684), (156, 4803070), (195, 3842456), (260, 2881842), (312, 2401535), (390, 1921228), (457, 1639560), (520, 1440921), (780, 960614), (914, 819780), (1051, 712920), (1371, 546520), (1560, 480307), (1828, 409890), (2102, 356460), (2285, 327912), (2742, 273260), (3153, 237640), (3656, 204945), (4204, 178230), (4570, 163956), (5255, 142584), (5484, 136630), (5941, 126120), (6306, 118820), (6855, 109304), (8408, 89115), (9140, 81978), (10510, 71292), (10968, 68315), (11882, 63060), (12612, 59410), (13663, 54840), (13710, 54652), (15765, 47528), (17823, 42040), (18280, 40989), (21020, 35646), (23764, 31530), (25224, 29705), (27326, 27420)]