8106280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 23950080

約数和(自身を除く): 15843800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 131, 136, 140, 170, 182, 221, 238, 260, 262, 280, 340, 364, 442, 455, 476, 520, 524, 595, 655, 680, 728, 884, 910, 917, 952, 1048, 1105, 1190, 1310, 1547, 1703, 1768, 1820, 1834, 2210, 2227, 2380, 2620, 3094, 3406, 3640, 3668, 4420, 4454, 4585, 4760, 5240, 6188, 6812, 7336, 7735, 8515, 8840, 8908, 9170, 11135, 11921, 12376, 13624, 15470, 15589, 17030, 17816, 18340, 22270, 23842, 28951, 30940, 31178, 34060, 36680, 44540, 47684, 57902, 59605, 61880, 62356, 68120, 77945, 89080, 95368, 115804, 119210, 124712, 144755, 155890, 202657, 231608, 238420, 289510, 311780, 405314, 476840, 579020, 623560, 810628, 1013285, 1158040, 1621256, 2026570, 4053140, 8106280]

約数ペア:

[(1, 8106280), (2, 4053140), (4, 2026570), (5, 1621256), (7, 1158040), (8, 1013285), (10, 810628), (13, 623560), (14, 579020), (17, 476840), (20, 405314), (26, 311780), (28, 289510), (34, 238420), (35, 231608), (40, 202657), (52, 155890), (56, 144755), (65, 124712), (68, 119210), (70, 115804), (85, 95368), (91, 89080), (104, 77945), (119, 68120), (130, 62356), (131, 61880), (136, 59605), (140, 57902), (170, 47684), (182, 44540), (221, 36680), (238, 34060), (260, 31178), (262, 30940), (280, 28951), (340, 23842), (364, 22270), (442, 18340), (455, 17816), (476, 17030), (520, 15589), (524, 15470), (595, 13624), (655, 12376), (680, 11921), (728, 11135), (884, 9170), (910, 8908), (917, 8840), (952, 8515), (1048, 7735), (1105, 7336), (1190, 6812), (1310, 6188), (1547, 5240), (1703, 4760), (1768, 4585), (1820, 4454), (1834, 4420), (2210, 3668), (2227, 3640), (2380, 3406), (2620, 3094)]