288990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 72

約数和(自身を含む): 856440

約数和(自身を除く): 567450

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 169, 171, 190, 195, 234, 247, 285, 338, 342, 390, 494, 507, 570, 585, 741, 845, 855, 1014, 1170, 1235, 1482, 1521, 1690, 1710, 2223, 2470, 2535, 3042, 3211, 3705, 4446, 5070, 6422, 7410, 7605, 9633, 11115, 15210, 16055, 19266, 22230, 28899, 32110, 48165, 57798, 96330, 144495, 288990]

約数ペア:

[(1, 288990), (2, 144495), (3, 96330), (5, 57798), (6, 48165), (9, 32110), (10, 28899), (13, 22230), (15, 19266), (18, 16055), (19, 15210), (26, 11115), (30, 9633), (38, 7605), (39, 7410), (45, 6422), (57, 5070), (65, 4446), (78, 3705), (90, 3211), (95, 3042), (114, 2535), (117, 2470), (130, 2223), (169, 1710), (171, 1690), (190, 1521), (195, 1482), (234, 1235), (247, 1170), (285, 1014), (338, 855), (342, 845), (390, 741), (494, 585), (507, 570)]