285480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:91

約数の個数: 96

約数和(自身を含む): 1015560

約数和(自身を除く): 730080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 90, 104, 117, 120, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 312, 360, 366, 390, 468, 488, 520, 549, 585, 610, 732, 780, 793, 915, 936, 1098, 1170, 1220, 1464, 1560, 1586, 1830, 2196, 2340, 2379, 2440, 2745, 3172, 3660, 3965, 4392, 4680, 4758, 5490, 6344, 7137, 7320, 7930, 9516, 10980, 11895, 14274, 15860, 19032, 21960, 23790, 28548, 31720, 35685, 47580, 57096, 71370, 95160, 142740, 285480]

約数ペア:

[(1, 285480), (2, 142740), (3, 95160), (4, 71370), (5, 57096), (6, 47580), (8, 35685), (9, 31720), (10, 28548), (12, 23790), (13, 21960), (15, 19032), (18, 15860), (20, 14274), (24, 11895), (26, 10980), (30, 9516), (36, 7930), (39, 7320), (40, 7137), (45, 6344), (52, 5490), (60, 4758), (61, 4680), (65, 4392), (72, 3965), (78, 3660), (90, 3172), (104, 2745), (117, 2440), (120, 2379), (122, 2340), (130, 2196), (156, 1830), (180, 1586), (183, 1560), (195, 1464), (234, 1220), (244, 1170), (260, 1098), (305, 936), (312, 915), (360, 793), (366, 780), (390, 732), (468, 610), (488, 585), (520, 549)]