87870870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 239073120

約数和(自身を除く): 151202250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 131, 145, 174, 257, 261, 262, 290, 393, 435, 514, 522, 655, 771, 786, 870, 1179, 1285, 1305, 1310, 1542, 1965, 2313, 2358, 2570, 2610, 3799, 3855, 3930, 4626, 5895, 7453, 7598, 7710, 11397, 11565, 11790, 14906, 18995, 22359, 22794, 23130, 33667, 34191, 37265, 37990, 44718, 56985, 67077, 67334, 68382, 74530, 101001, 111795, 113970, 134154, 168335, 170955, 202002, 223590, 303003, 335385, 336670, 341910, 505005, 606006, 670770, 976343, 1010010, 1515015, 1952686, 2929029, 3030030, 4881715, 5858058, 8787087, 9763430, 14645145, 17574174, 29290290, 43935435, 87870870]

約数ペア:

[(1, 87870870), (2, 43935435), (3, 29290290), (5, 17574174), (6, 14645145), (9, 9763430), (10, 8787087), (15, 5858058), (18, 4881715), (29, 3030030), (30, 2929029), (45, 1952686), (58, 1515015), (87, 1010010), (90, 976343), (131, 670770), (145, 606006), (174, 505005), (257, 341910), (261, 336670), (262, 335385), (290, 303003), (393, 223590), (435, 202002), (514, 170955), (522, 168335), (655, 134154), (771, 113970), (786, 111795), (870, 101001), (1179, 74530), (1285, 68382), (1305, 67334), (1310, 67077), (1542, 56985), (1965, 44718), (2313, 37990), (2358, 37265), (2570, 34191), (2610, 33667), (3799, 23130), (3855, 22794), (3930, 22359), (4626, 18995), (5895, 14906), (7453, 11790), (7598, 11565), (7710, 11397)]