240147240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 747273600

約数和(自身を除く): 507126360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 61, 106, 120, 122, 159, 183, 212, 244, 265, 305, 318, 366, 424, 488, 530, 610, 619, 636, 732, 795, 915, 1060, 1220, 1238, 1272, 1464, 1590, 1830, 1857, 2120, 2440, 2476, 3095, 3180, 3233, 3660, 3714, 4952, 6190, 6360, 6466, 7320, 7428, 9285, 9699, 12380, 12932, 14856, 16165, 18570, 19398, 24760, 25864, 32330, 32807, 37140, 37759, 38796, 48495, 64660, 65614, 74280, 75518, 77592, 96990, 98421, 113277, 129320, 131228, 151036, 164035, 188795, 193980, 196842, 226554, 262456, 302072, 328070, 377590, 387960, 393684, 453108, 492105, 566385, 656140, 755180, 787368, 906216, 984210, 1132770, 1312280, 1510360, 1968420, 2001227, 2265540, 3936840, 4002454, 4531080, 6003681, 8004908, 10006135, 12007362, 16009816, 20012270, 24014724, 30018405, 40024540, 48029448, 60036810, 80049080, 120073620, 240147240]

約数ペア:

[(1, 240147240), (2, 120073620), (3, 80049080), (4, 60036810), (5, 48029448), (6, 40024540), (8, 30018405), (10, 24014724), (12, 20012270), (15, 16009816), (20, 12007362), (24, 10006135), (30, 8004908), (40, 6003681), (53, 4531080), (60, 4002454), (61, 3936840), (106, 2265540), (120, 2001227), (122, 1968420), (159, 1510360), (183, 1312280), (212, 1132770), (244, 984210), (265, 906216), (305, 787368), (318, 755180), (366, 656140), (424, 566385), (488, 492105), (530, 453108), (610, 393684), (619, 387960), (636, 377590), (732, 328070), (795, 302072), (915, 262456), (1060, 226554), (1220, 196842), (1238, 193980), (1272, 188795), (1464, 164035), (1590, 151036), (1830, 131228), (1857, 129320), (2120, 113277), (2440, 98421), (2476, 96990), (3095, 77592), (3180, 75518), (3233, 74280), (3660, 65614), (3714, 64660), (4952, 48495), (6190, 38796), (6360, 37759), (6466, 37140), (7320, 32807), (7428, 32330), (9285, 25864), (9699, 24760), (12380, 19398), (12932, 18570), (14856, 16165)]