30310020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12953}}^1$

素因数の和:12981

約数の個数: 72

約数和(自身を含む): 99020376

約数和(自身を除く): 68710356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12953, 25906, 38859, 51812, 64765, 77718, 116577, 129530, 155436, 168389, 194295, 233154, 259060, 336778, 388590, 466308, 505167, 582885, 673556, 777180, 841945, 1010334, 1165770, 1515501, 1683890, 2020668, 2331540, 2525835, 3031002, 3367780, 5051670, 6062004, 7577505, 10103340, 15155010, 30310020]

約数ペア:

[(1, 30310020), (2, 15155010), (3, 10103340), (4, 7577505), (5, 6062004), (6, 5051670), (9, 3367780), (10, 3031002), (12, 2525835), (13, 2331540), (15, 2020668), (18, 1683890), (20, 1515501), (26, 1165770), (30, 1010334), (36, 841945), (39, 777180), (45, 673556), (52, 582885), (60, 505167), (65, 466308), (78, 388590), (90, 336778), (117, 259060), (130, 233154), (156, 194295), (180, 168389), (195, 155436), (234, 129530), (260, 116577), (390, 77718), (468, 64765), (585, 51812), (780, 38859), (1170, 25906), (2340, 12953)]