817380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 2620800

約数和(自身を除く): 1803420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 239, 285, 342, 380, 478, 570, 684, 717, 855, 956, 1140, 1195, 1434, 1710, 2151, 2390, 2868, 3420, 3585, 4302, 4541, 4780, 7170, 8604, 9082, 10755, 13623, 14340, 18164, 21510, 22705, 27246, 40869, 43020, 45410, 54492, 68115, 81738, 90820, 136230, 163476, 204345, 272460, 408690, 817380]

約数ペア:

[(1, 817380), (2, 408690), (3, 272460), (4, 204345), (5, 163476), (6, 136230), (9, 90820), (10, 81738), (12, 68115), (15, 54492), (18, 45410), (19, 43020), (20, 40869), (30, 27246), (36, 22705), (38, 21510), (45, 18164), (57, 14340), (60, 13623), (76, 10755), (90, 9082), (95, 8604), (114, 7170), (171, 4780), (180, 4541), (190, 4302), (228, 3585), (239, 3420), (285, 2868), (342, 2390), (380, 2151), (478, 1710), (570, 1434), (684, 1195), (717, 1140), (855, 956)]