731340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 2358720

約数和(自身を除く): 1627380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 239, 255, 306, 340, 478, 510, 612, 717, 765, 956, 1020, 1195, 1434, 1530, 2151, 2390, 2868, 3060, 3585, 4063, 4302, 4780, 7170, 8126, 8604, 10755, 12189, 14340, 16252, 20315, 21510, 24378, 36567, 40630, 43020, 48756, 60945, 73134, 81260, 121890, 146268, 182835, 243780, 365670, 731340]

約数ペア:

[(1, 731340), (2, 365670), (3, 243780), (4, 182835), (5, 146268), (6, 121890), (9, 81260), (10, 73134), (12, 60945), (15, 48756), (17, 43020), (18, 40630), (20, 36567), (30, 24378), (34, 21510), (36, 20315), (45, 16252), (51, 14340), (60, 12189), (68, 10755), (85, 8604), (90, 8126), (102, 7170), (153, 4780), (170, 4302), (180, 4063), (204, 3585), (239, 3060), (255, 2868), (306, 2390), (340, 2151), (478, 1530), (510, 1434), (612, 1195), (717, 1020), (765, 956)]