400080240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:676

約数の個数: 240

約数和(自身を含む): 1548139008

約数和(自身を除く): 1148058768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 163, 168, 180, 210, 240, 252, 280, 315, 326, 336, 360, 420, 487, 489, 504, 560, 630, 652, 720, 815, 840, 974, 978, 1008, 1141, 1260, 1304, 1461, 1467, 1630, 1680, 1948, 1956, 2282, 2435, 2445, 2520, 2608, 2922, 2934, 3260, 3409, 3423, 3896, 3912, 4383, 4564, 4870, 4890, 5040, 5705, 5844, 5868, 6520, 6818, 6846, 7305, 7335, 7792, 7824, 8766, 9128, 9740, 9780, 10227, 10269, 11410, 11688, 11736, 13040, 13636, 13692, 14610, 14670, 17045, 17115, 17532, 18256, 19480, 19560, 20454, 20538, 21915, 22820, 23376, 23472, 27272, 27384, 29220, 29340, 30681, 34090, 34230, 35064, 38960, 39120, 40908, 41076, 43830, 45640, 51135, 51345, 54544, 54768, 58440, 58680, 61362, 68180, 68460, 70128, 79381, 81816, 82152, 87660, 91280, 102270, 102690, 116880, 117360, 122724, 136360, 136920, 153405, 158762, 163632, 164304, 175320, 204540, 205380, 238143, 245448, 272720, 273840, 306810, 317524, 350640, 396905, 409080, 410760, 476286, 490896, 555667, 613620, 635048, 714429, 793810, 818160, 821520, 952572, 1111334, 1190715, 1227240, 1270096, 1428858, 1587620, 1667001, 1905144, 2222668, 2381430, 2454480, 2778335, 2857716, 3175240, 3334002, 3572145, 3810288, 4445336, 4762860, 5001003, 5556670, 5715432, 6350480, 6668004, 7144290, 8335005, 8890672, 9525720, 10002006, 11113340, 11430864, 13336008, 14288580, 16670010, 19051440, 20004012, 22226680, 25005015, 26672016, 28577160, 33340020, 40008024, 44453360, 50010030, 57154320, 66680040, 80016048, 100020060, 133360080, 200040120, 400080240]

約数ペア:

[(1, 400080240), (2, 200040120), (3, 133360080), (4, 100020060), (5, 80016048), (6, 66680040), (7, 57154320), (8, 50010030), (9, 44453360), (10, 40008024), (12, 33340020), (14, 28577160), (15, 26672016), (16, 25005015), (18, 22226680), (20, 20004012), (21, 19051440), (24, 16670010), (28, 14288580), (30, 13336008), (35, 11430864), (36, 11113340), (40, 10002006), (42, 9525720), (45, 8890672), (48, 8335005), (56, 7144290), (60, 6668004), (63, 6350480), (70, 5715432), (72, 5556670), (80, 5001003), (84, 4762860), (90, 4445336), (105, 3810288), (112, 3572145), (120, 3334002), (126, 3175240), (140, 2857716), (144, 2778335), (163, 2454480), (168, 2381430), (180, 2222668), (210, 1905144), (240, 1667001), (252, 1587620), (280, 1428858), (315, 1270096), (326, 1227240), (336, 1190715), (360, 1111334), (420, 952572), (487, 821520), (489, 818160), (504, 793810), (560, 714429), (630, 635048), (652, 613620), (720, 555667), (815, 490896), (840, 476286), (974, 410760), (978, 409080), (1008, 396905), (1141, 350640), (1260, 317524), (1304, 306810), (1461, 273840), (1467, 272720), (1630, 245448), (1680, 238143), (1948, 205380), (1956, 204540), (2282, 175320), (2435, 164304), (2445, 163632), (2520, 158762), (2608, 153405), (2922, 136920), (2934, 136360), (3260, 122724), (3409, 117360), (3423, 116880), (3896, 102690), (3912, 102270), (4383, 91280), (4564, 87660), (4870, 82152), (4890, 81816), (5040, 79381), (5705, 70128), (5844, 68460), (5868, 68180), (6520, 61362), (6818, 58680), (6846, 58440), (7305, 54768), (7335, 54544), (7792, 51345), (7824, 51135), (8766, 45640), (9128, 43830), (9740, 41076), (9780, 40908), (10227, 39120), (10269, 38960), (11410, 35064), (11688, 34230), (11736, 34090), (13040, 30681), (13636, 29340), (13692, 29220), (14610, 27384), (14670, 27272), (17045, 23472), (17115, 23376), (17532, 22820), (18256, 21915), (19480, 20538), (19560, 20454)]