89710020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1594

約数の個数: 144

約数和(自身を含む): 303488640

約数和(自身を除く): 213778620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1543, 1615, 1710, 1938, 2907, 3060, 3086, 3230, 3420, 3876, 4629, 4845, 5814, 6172, 6460, 7715, 9258, 9690, 11628, 13887, 14535, 15430, 18516, 19380, 23145, 26231, 27774, 29070, 29317, 30860, 46290, 52462, 55548, 58140, 58634, 69435, 78693, 87951, 92580, 104924, 117268, 131155, 138870, 146585, 157386, 175902, 236079, 262310, 263853, 277740, 293170, 314772, 351804, 393465, 439755, 472158, 498389, 524620, 527706, 586340, 786930, 879510, 944316, 996778, 1055412, 1180395, 1319265, 1495167, 1573860, 1759020, 1993556, 2360790, 2491945, 2638530, 2990334, 4485501, 4721580, 4983890, 5277060, 5980668, 7475835, 8971002, 9967780, 14951670, 17942004, 22427505, 29903340, 44855010, 89710020]

約数ペア:

[(1, 89710020), (2, 44855010), (3, 29903340), (4, 22427505), (5, 17942004), (6, 14951670), (9, 9967780), (10, 8971002), (12, 7475835), (15, 5980668), (17, 5277060), (18, 4983890), (19, 4721580), (20, 4485501), (30, 2990334), (34, 2638530), (36, 2491945), (38, 2360790), (45, 1993556), (51, 1759020), (57, 1573860), (60, 1495167), (68, 1319265), (76, 1180395), (85, 1055412), (90, 996778), (95, 944316), (102, 879510), (114, 786930), (153, 586340), (170, 527706), (171, 524620), (180, 498389), (190, 472158), (204, 439755), (228, 393465), (255, 351804), (285, 314772), (306, 293170), (323, 277740), (340, 263853), (342, 262310), (380, 236079), (510, 175902), (570, 157386), (612, 146585), (646, 138870), (684, 131155), (765, 117268), (855, 104924), (969, 92580), (1020, 87951), (1140, 78693), (1292, 69435), (1530, 58634), (1543, 58140), (1615, 55548), (1710, 52462), (1938, 46290), (2907, 30860), (3060, 29317), (3086, 29070), (3230, 27774), (3420, 26231), (3876, 23145), (4629, 19380), (4845, 18516), (5814, 15430), (6172, 14535), (6460, 13887), (7715, 11628), (9258, 9690)]