81891720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13381}}^1$

素因数の和:13415

約数の個数: 96

約数和(自身を含む): 281824920

約数和(自身を除く): 199933200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 13381, 26762, 40143, 53524, 66905, 80286, 107048, 120429, 133810, 160572, 200715, 227477, 240858, 267620, 321144, 401430, 454954, 481716, 535240, 602145, 682431, 802860, 909908, 963432, 1137385, 1204290, 1364862, 1605720, 1819816, 2047293, 2274770, 2408580, 2729724, 3412155, 4094586, 4549540, 4817160, 5459448, 6824310, 8189172, 9099080, 10236465, 13648620, 16378344, 20472930, 27297240, 40945860, 81891720]

約数ペア:

[(1, 81891720), (2, 40945860), (3, 27297240), (4, 20472930), (5, 16378344), (6, 13648620), (8, 10236465), (9, 9099080), (10, 8189172), (12, 6824310), (15, 5459448), (17, 4817160), (18, 4549540), (20, 4094586), (24, 3412155), (30, 2729724), (34, 2408580), (36, 2274770), (40, 2047293), (45, 1819816), (51, 1605720), (60, 1364862), (68, 1204290), (72, 1137385), (85, 963432), (90, 909908), (102, 802860), (120, 682431), (136, 602145), (153, 535240), (170, 481716), (180, 454954), (204, 401430), (255, 321144), (306, 267620), (340, 240858), (360, 227477), (408, 200715), (510, 160572), (612, 133810), (680, 120429), (765, 107048), (1020, 80286), (1224, 66905), (1530, 53524), (2040, 40143), (3060, 26762), (6120, 13381)]