2650380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 7494144

約数和(自身を除く): 4843764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 271, 326, 489, 542, 652, 813, 815, 978, 1084, 1355, 1626, 1630, 1956, 2445, 2710, 3252, 3260, 4065, 4890, 5420, 8130, 9780, 16260, 44173, 88346, 132519, 176692, 220865, 265038, 441730, 530076, 662595, 883460, 1325190, 2650380]

約数ペア:

[(1, 2650380), (2, 1325190), (3, 883460), (4, 662595), (5, 530076), (6, 441730), (10, 265038), (12, 220865), (15, 176692), (20, 132519), (30, 88346), (60, 44173), (163, 16260), (271, 9780), (326, 8130), (489, 5420), (542, 4890), (652, 4065), (813, 3260), (815, 3252), (978, 2710), (1084, 2445), (1355, 1956), (1626, 1630)]