18872280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7489}}^1$

素因数の和:7513

約数の個数: 96

約数和(自身を含む): 70106400

約数和(自身を除く): 51234120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7489, 14978, 22467, 29956, 37445, 44934, 52423, 59912, 67401, 74890, 89868, 104846, 112335, 134802, 149780, 157269, 179736, 209692, 224670, 262115, 269604, 299560, 314538, 337005, 419384, 449340, 471807, 524230, 539208, 629076, 674010, 786345, 898680, 943614, 1048460, 1258152, 1348020, 1572690, 1887228, 2096920, 2359035, 2696040, 3145380, 3774456, 4718070, 6290760, 9436140, 18872280]

約数ペア:

[(1, 18872280), (2, 9436140), (3, 6290760), (4, 4718070), (5, 3774456), (6, 3145380), (7, 2696040), (8, 2359035), (9, 2096920), (10, 1887228), (12, 1572690), (14, 1348020), (15, 1258152), (18, 1048460), (20, 943614), (21, 898680), (24, 786345), (28, 674010), (30, 629076), (35, 539208), (36, 524230), (40, 471807), (42, 449340), (45, 419384), (56, 337005), (60, 314538), (63, 299560), (70, 269604), (72, 262115), (84, 224670), (90, 209692), (105, 179736), (120, 157269), (126, 149780), (140, 134802), (168, 112335), (180, 104846), (210, 89868), (252, 74890), (280, 67401), (315, 59912), (360, 52423), (420, 44934), (504, 37445), (630, 29956), (840, 22467), (1260, 14978), (2520, 7489)]