1645244640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87887}}^1$

素因数の和:87921

約数の個数: 144

約数和(自身を含む): 6046342848

約数和(自身を除く): 4401098208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 87887, 175774, 263661, 351548, 439435, 527322, 703096, 790983, 878870, 1054644, 1142531, 1318305, 1406192, 1581966, 1757740, 2109288, 2285062, 2636610, 2812384, 3163932, 3427593, 3515480, 3954915, 4218576, 4570124, 5273220, 5712655, 6327864, 6855186, 7030960, 7909830, 8437152, 9140248, 10282779, 10546440, 11425310, 12655728, 13710372, 14061920, 15819660, 17137965, 18280496, 20565558, 21092880, 22850620, 25311456, 27420744, 31639320, 34275930, 36560992, 41131116, 42185760, 45701240, 51413895, 54841488, 63278640, 68551860, 82262232, 91402480, 102827790, 109682976, 126557280, 137103720, 164524464, 182804960, 205655580, 274207440, 329048928, 411311160, 548414880, 822622320, 1645244640]

約数ペア:

[(1, 1645244640), (2, 822622320), (3, 548414880), (4, 411311160), (5, 329048928), (6, 274207440), (8, 205655580), (9, 182804960), (10, 164524464), (12, 137103720), (13, 126557280), (15, 109682976), (16, 102827790), (18, 91402480), (20, 82262232), (24, 68551860), (26, 63278640), (30, 54841488), (32, 51413895), (36, 45701240), (39, 42185760), (40, 41131116), (45, 36560992), (48, 34275930), (52, 31639320), (60, 27420744), (65, 25311456), (72, 22850620), (78, 21092880), (80, 20565558), (90, 18280496), (96, 17137965), (104, 15819660), (117, 14061920), (120, 13710372), (130, 12655728), (144, 11425310), (156, 10546440), (160, 10282779), (180, 9140248), (195, 8437152), (208, 7909830), (234, 7030960), (240, 6855186), (260, 6327864), (288, 5712655), (312, 5273220), (360, 4570124), (390, 4218576), (416, 3954915), (468, 3515480), (480, 3427593), (520, 3163932), (585, 2812384), (624, 2636610), (720, 2285062), (780, 2109288), (936, 1757740), (1040, 1581966), (1170, 1406192), (1248, 1318305), (1440, 1142531), (1560, 1054644), (1872, 878870), (2080, 790983), (2340, 703096), (3120, 527322), (3744, 439435), (4680, 351548), (6240, 263661), (9360, 175774), (18720, 87887)]