64777140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21169}}^1$

素因数の和:21201

約数の個数: 72

約数和(自身を含む): 208058760

約数和(自身を除く): 143281620

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, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 21169, 42338, 63507, 84676, 105845, 127014, 190521, 211690, 254028, 317535, 359873, 381042, 423380, 635070, 719746, 762084, 952605, 1079619, 1270140, 1439492, 1799365, 1905210, 2159238, 3238857, 3598730, 3810420, 4318476, 5398095, 6477714, 7197460, 10796190, 12955428, 16194285, 21592380, 32388570, 64777140]

約数ペア:

[(1, 64777140), (2, 32388570), (3, 21592380), (4, 16194285), (5, 12955428), (6, 10796190), (9, 7197460), (10, 6477714), (12, 5398095), (15, 4318476), (17, 3810420), (18, 3598730), (20, 3238857), (30, 2159238), (34, 1905210), (36, 1799365), (45, 1439492), (51, 1270140), (60, 1079619), (68, 952605), (85, 762084), (90, 719746), (102, 635070), (153, 423380), (170, 381042), (180, 359873), (204, 317535), (255, 254028), (306, 211690), (340, 190521), (510, 127014), (612, 105845), (765, 84676), (1020, 63507), (1530, 42338), (3060, 21169)]