400275720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 288

約数和(自身を含む): 1463880600

約数和(自身を除く): 1063604880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 89, 90, 93, 104, 117, 120, 124, 130, 155, 156, 178, 180, 186, 195, 234, 248, 260, 267, 279, 310, 312, 356, 360, 372, 390, 403, 445, 465, 468, 520, 534, 558, 585, 620, 712, 744, 780, 801, 806, 890, 930, 936, 961, 1068, 1116, 1157, 1170, 1209, 1240, 1335, 1395, 1560, 1602, 1612, 1780, 1860, 1922, 2015, 2136, 2232, 2314, 2340, 2418, 2670, 2759, 2790, 2883, 3204, 3224, 3471, 3560, 3627, 3720, 3844, 4005, 4030, 4628, 4680, 4805, 4836, 5340, 5518, 5580, 5766, 5785, 6045, 6408, 6942, 7254, 7688, 8010, 8060, 8277, 8649, 9256, 9610, 9672, 10413, 10680, 11036, 11160, 11532, 11570, 12090, 12493, 13795, 13884, 14415, 14508, 16020, 16120, 16554, 17298, 17355, 18135, 19220, 20826, 22072, 23064, 23140, 24180, 24831, 24986, 27590, 27768, 28830, 29016, 32040, 33108, 34596, 34710, 35867, 36270, 37479, 38440, 41385, 41652, 43245, 46280, 48360, 49662, 49972, 52065, 55180, 57660, 62465, 66216, 69192, 69420, 71734, 72540, 74958, 82770, 83304, 85529, 86490, 99324, 99944, 104130, 107601, 110360, 112437, 115320, 124155, 124930, 138840, 143468, 145080, 149916, 165540, 171058, 172980, 179335, 187395, 198648, 208260, 215202, 224874, 248310, 249860, 256587, 286936, 299832, 322803, 331080, 342116, 345960, 358670, 374790, 416520, 427645, 430404, 449748, 496620, 499720, 513174, 538005, 562185, 645606, 684232, 717340, 749580, 769761, 855290, 860808, 899496, 993240, 1026348, 1076010, 1111877, 1124370, 1282935, 1291212, 1434680, 1499160, 1539522, 1614015, 1710580, 2052696, 2152020, 2223754, 2248740, 2565870, 2582424, 3079044, 3228030, 3335631, 3421160, 3848805, 4304040, 4447508, 4497480, 5131740, 5559385, 6158088, 6456060, 6671262, 7697610, 8895016, 10006893, 10263480, 11118770, 12912120, 13342524, 15395220, 16678155, 20013786, 22237540, 26685048, 30790440, 33356310, 40027572, 44475080, 50034465, 66712620, 80055144, 100068930, 133425240, 200137860, 400275720]

約数ペア:

[(1, 400275720), (2, 200137860), (3, 133425240), (4, 100068930), (5, 80055144), (6, 66712620), (8, 50034465), (9, 44475080), (10, 40027572), (12, 33356310), (13, 30790440), (15, 26685048), (18, 22237540), (20, 20013786), (24, 16678155), (26, 15395220), (30, 13342524), (31, 12912120), (36, 11118770), (39, 10263480), (40, 10006893), (45, 8895016), (52, 7697610), (60, 6671262), (62, 6456060), (65, 6158088), (72, 5559385), (78, 5131740), (89, 4497480), (90, 4447508), (93, 4304040), (104, 3848805), (117, 3421160), (120, 3335631), (124, 3228030), (130, 3079044), (155, 2582424), (156, 2565870), (178, 2248740), (180, 2223754), (186, 2152020), (195, 2052696), (234, 1710580), (248, 1614015), (260, 1539522), (267, 1499160), (279, 1434680), (310, 1291212), (312, 1282935), (356, 1124370), (360, 1111877), (372, 1076010), (390, 1026348), (403, 993240), (445, 899496), (465, 860808), (468, 855290), (520, 769761), (534, 749580), (558, 717340), (585, 684232), (620, 645606), (712, 562185), (744, 538005), (780, 513174), (801, 499720), (806, 496620), (890, 449748), (930, 430404), (936, 427645), (961, 416520), (1068, 374790), (1116, 358670), (1157, 345960), (1170, 342116), (1209, 331080), (1240, 322803), (1335, 299832), (1395, 286936), (1560, 256587), (1602, 249860), (1612, 248310), (1780, 224874), (1860, 215202), (1922, 208260), (2015, 198648), (2136, 187395), (2232, 179335), (2314, 172980), (2340, 171058), (2418, 165540), (2670, 149916), (2759, 145080), (2790, 143468), (2883, 138840), (3204, 124930), (3224, 124155), (3471, 115320), (3560, 112437), (3627, 110360), (3720, 107601), (3844, 104130), (4005, 99944), (4030, 99324), (4628, 86490), (4680, 85529), (4805, 83304), (4836, 82770), (5340, 74958), (5518, 72540), (5580, 71734), (5766, 69420), (5785, 69192), (6045, 66216), (6408, 62465), (6942, 57660), (7254, 55180), (7688, 52065), (8010, 49972), (8060, 49662), (8277, 48360), (8649, 46280), (9256, 43245), (9610, 41652), (9672, 41385), (10413, 38440), (10680, 37479), (11036, 36270), (11160, 35867), (11532, 34710), (11570, 34596), (12090, 33108), (12493, 32040), (13795, 29016), (13884, 28830), (14415, 27768), (14508, 27590), (16020, 24986), (16120, 24831), (16554, 24180), (17298, 23140), (17355, 23064), (18135, 22072), (19220, 20826)]