1617140920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 3991680000

約数和(自身を除く): 2374539080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 239, 290, 307, 380, 478, 551, 580, 614, 760, 956, 1102, 1160, 1195, 1228, 1535, 1912, 2204, 2390, 2456, 2755, 3070, 4408, 4541, 4780, 5510, 5833, 6140, 6931, 8903, 9082, 9560, 11020, 11666, 12280, 13862, 17806, 18164, 22040, 22705, 23332, 27724, 29165, 34655, 35612, 36328, 44515, 45410, 46664, 55448, 58330, 69310, 71224, 73373, 89030, 90820, 116660, 131689, 138620, 146746, 169157, 178060, 181640, 233320, 263378, 277240, 293492, 338314, 356120, 366865, 526756, 586984, 658445, 676628, 733730, 845785, 1053512, 1316890, 1353256, 1394087, 1467460, 1691570, 2127817, 2633780, 2788174, 2934920, 3383140, 4255634, 5267560, 5576348, 6766280, 6970435, 8511268, 10639085, 11152696, 13940870, 17022536, 21278170, 27881740, 40428523, 42556340, 55763480, 80857046, 85112680, 161714092, 202142615, 323428184, 404285230, 808570460, 1617140920]

約数ペア:

[(1, 1617140920), (2, 808570460), (4, 404285230), (5, 323428184), (8, 202142615), (10, 161714092), (19, 85112680), (20, 80857046), (29, 55763480), (38, 42556340), (40, 40428523), (58, 27881740), (76, 21278170), (95, 17022536), (116, 13940870), (145, 11152696), (152, 10639085), (190, 8511268), (232, 6970435), (239, 6766280), (290, 5576348), (307, 5267560), (380, 4255634), (478, 3383140), (551, 2934920), (580, 2788174), (614, 2633780), (760, 2127817), (956, 1691570), (1102, 1467460), (1160, 1394087), (1195, 1353256), (1228, 1316890), (1535, 1053512), (1912, 845785), (2204, 733730), (2390, 676628), (2456, 658445), (2755, 586984), (3070, 526756), (4408, 366865), (4541, 356120), (4780, 338314), (5510, 293492), (5833, 277240), (6140, 263378), (6931, 233320), (8903, 181640), (9082, 178060), (9560, 169157), (11020, 146746), (11666, 138620), (12280, 131689), (13862, 116660), (17806, 90820), (18164, 89030), (22040, 73373), (22705, 71224), (23332, 69310), (27724, 58330), (29165, 55448), (34655, 46664), (35612, 45410), (36328, 44515)]