70900020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20731}}^1$

素因数の和:20765

約数の個数: 72

約数和(自身を含む): 226393440

約数和(自身を除く): 155493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20731, 41462, 62193, 82924, 103655, 124386, 186579, 207310, 248772, 310965, 373158, 393889, 414620, 621930, 746316, 787778, 932895, 1181667, 1243860, 1575556, 1865790, 1969445, 2363334, 3545001, 3731580, 3938890, 4726668, 5908335, 7090002, 7877780, 11816670, 14180004, 17725005, 23633340, 35450010, 70900020]

約数ペア:

[(1, 70900020), (2, 35450010), (3, 23633340), (4, 17725005), (5, 14180004), (6, 11816670), (9, 7877780), (10, 7090002), (12, 5908335), (15, 4726668), (18, 3938890), (19, 3731580), (20, 3545001), (30, 2363334), (36, 1969445), (38, 1865790), (45, 1575556), (57, 1243860), (60, 1181667), (76, 932895), (90, 787778), (95, 746316), (114, 621930), (171, 414620), (180, 393889), (190, 373158), (228, 310965), (285, 248772), (342, 207310), (380, 186579), (570, 124386), (684, 103655), (855, 82924), (1140, 62193), (1710, 41462), (3420, 20731)]