90016020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1334

約数の個数: 144

約数和(自身を含む): 301916160

約数和(自身を除く): 211900140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 612, 690, 765, 782, 828, 1020, 1035, 1173, 1279, 1380, 1530, 1564, 1955, 2070, 2346, 2558, 3060, 3519, 3837, 3910, 4140, 4692, 5116, 5865, 6395, 7038, 7674, 7820, 11511, 11730, 12790, 14076, 15348, 17595, 19185, 21743, 23022, 23460, 25580, 29417, 35190, 38370, 43486, 46044, 57555, 58834, 65229, 70380, 76740, 86972, 88251, 108715, 115110, 117668, 130458, 147085, 176502, 195687, 217430, 230220, 260916, 264753, 294170, 326145, 353004, 391374, 434860, 441255, 500089, 529506, 588340, 652290, 782748, 882510, 978435, 1000178, 1059012, 1304580, 1323765, 1500267, 1765020, 1956870, 2000356, 2500445, 2647530, 3000534, 3913740, 4500801, 5000890, 5295060, 6001068, 7501335, 9001602, 10001780, 15002670, 18003204, 22504005, 30005340, 45008010, 90016020]

約数ペア:

[(1, 90016020), (2, 45008010), (3, 30005340), (4, 22504005), (5, 18003204), (6, 15002670), (9, 10001780), (10, 9001602), (12, 7501335), (15, 6001068), (17, 5295060), (18, 5000890), (20, 4500801), (23, 3913740), (30, 3000534), (34, 2647530), (36, 2500445), (45, 2000356), (46, 1956870), (51, 1765020), (60, 1500267), (68, 1323765), (69, 1304580), (85, 1059012), (90, 1000178), (92, 978435), (102, 882510), (115, 782748), (138, 652290), (153, 588340), (170, 529506), (180, 500089), (204, 441255), (207, 434860), (230, 391374), (255, 353004), (276, 326145), (306, 294170), (340, 264753), (345, 260916), (391, 230220), (414, 217430), (460, 195687), (510, 176502), (612, 147085), (690, 130458), (765, 117668), (782, 115110), (828, 108715), (1020, 88251), (1035, 86972), (1173, 76740), (1279, 70380), (1380, 65229), (1530, 58834), (1564, 57555), (1955, 46044), (2070, 43486), (2346, 38370), (2558, 35190), (3060, 29417), (3519, 25580), (3837, 23460), (3910, 23022), (4140, 21743), (4692, 19185), (5116, 17595), (5865, 15348), (6395, 14076), (7038, 12790), (7674, 11730), (7820, 11511)]