17901840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6781}}^1$

素因数の和:6808

約数の個数: 80

約数和(自身を含む): 60549696

約数和(自身を除く): 42647856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 6781, 13562, 20343, 27124, 33905, 40686, 54248, 67810, 74591, 81372, 101715, 108496, 135620, 149182, 162744, 203430, 223773, 271240, 298364, 325488, 372955, 406860, 447546, 542480, 596728, 745910, 813720, 895092, 1118865, 1193456, 1491820, 1627440, 1790184, 2237730, 2983640, 3580368, 4475460, 5967280, 8950920, 17901840]

約数ペア:

[(1, 17901840), (2, 8950920), (3, 5967280), (4, 4475460), (5, 3580368), (6, 2983640), (8, 2237730), (10, 1790184), (11, 1627440), (12, 1491820), (15, 1193456), (16, 1118865), (20, 895092), (22, 813720), (24, 745910), (30, 596728), (33, 542480), (40, 447546), (44, 406860), (48, 372955), (55, 325488), (60, 298364), (66, 271240), (80, 223773), (88, 203430), (110, 162744), (120, 149182), (132, 135620), (165, 108496), (176, 101715), (220, 81372), (240, 74591), (264, 67810), (330, 54248), (440, 40686), (528, 33905), (660, 27124), (880, 20343), (1320, 13562), (2640, 6781)]