8239140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 30820608

約数和(自身を除く): 22581468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 503, 546, 585, 630, 780, 819, 910, 1006, 1092, 1170, 1260, 1365, 1509, 1638, 1820, 2012, 2340, 2515, 2730, 3018, 3276, 3521, 4095, 4527, 5030, 5460, 6036, 6539, 7042, 7545, 8190, 9054, 10060, 10563, 13078, 14084, 15090, 16380, 17605, 18108, 19617, 21126, 22635, 26156, 30180, 31689, 32695, 35210, 39234, 42252, 45270, 45773, 52815, 58851, 63378, 65390, 70420, 78468, 90540, 91546, 98085, 105630, 117702, 126756, 130780, 137319, 158445, 183092, 196170, 211260, 228865, 235404, 274638, 294255, 316890, 392340, 411957, 457730, 549276, 588510, 633780, 686595, 823914, 915460, 1177020, 1373190, 1647828, 2059785, 2746380, 4119570, 8239140]

約数ペア:

[(1, 8239140), (2, 4119570), (3, 2746380), (4, 2059785), (5, 1647828), (6, 1373190), (7, 1177020), (9, 915460), (10, 823914), (12, 686595), (13, 633780), (14, 588510), (15, 549276), (18, 457730), (20, 411957), (21, 392340), (26, 316890), (28, 294255), (30, 274638), (35, 235404), (36, 228865), (39, 211260), (42, 196170), (45, 183092), (52, 158445), (60, 137319), (63, 130780), (65, 126756), (70, 117702), (78, 105630), (84, 98085), (90, 91546), (91, 90540), (105, 78468), (117, 70420), (126, 65390), (130, 63378), (140, 58851), (156, 52815), (180, 45773), (182, 45270), (195, 42252), (210, 39234), (234, 35210), (252, 32695), (260, 31689), (273, 30180), (315, 26156), (364, 22635), (390, 21126), (420, 19617), (455, 18108), (468, 17605), (503, 16380), (546, 15090), (585, 14084), (630, 13078), (780, 10563), (819, 10060), (910, 9054), (1006, 8190), (1092, 7545), (1170, 7042), (1260, 6539), (1365, 6036), (1509, 5460), (1638, 5030), (1820, 4527), (2012, 4095), (2340, 3521), (2515, 3276), (2730, 3018)]