561381990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{84673}}^1$

素因数の和:84713

約数の個数: 64

約数和(自身を含む): 1536325056

約数和(自身を除く): 974943066

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 84673, 169346, 254019, 423365, 508038, 846730, 1100749, 1270095, 1439441, 2201498, 2540190, 2878882, 3302247, 4318323, 5503745, 6604494, 7197205, 8636646, 11007490, 14394410, 16511235, 18712733, 21591615, 33022470, 37425466, 43183230, 56138199, 93563665, 112276398, 187127330, 280690995, 561381990]

約数ペア:

[(1, 561381990), (2, 280690995), (3, 187127330), (5, 112276398), (6, 93563665), (10, 56138199), (13, 43183230), (15, 37425466), (17, 33022470), (26, 21591615), (30, 18712733), (34, 16511235), (39, 14394410), (51, 11007490), (65, 8636646), (78, 7197205), (85, 6604494), (102, 5503745), (130, 4318323), (170, 3302247), (195, 2878882), (221, 2540190), (255, 2201498), (390, 1439441), (442, 1270095), (510, 1100749), (663, 846730), (1105, 508038), (1326, 423365), (2210, 254019), (3315, 169346), (6630, 84673)]