31831048080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{178987}}^1$

素因数の和:179038

約数の個数: 240

約数和(自身を含む): 121182035520

約数和(自身を除く): 89350987440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7410, 8892, 9360, 9880, 11115, 11856, 13680, 14820, 17784, 19760, 22230, 29640, 35568, 44460, 59280, 88920, 177840, 178987, 357974, 536961, 715948, 894935, 1073922, 1431896, 1610883, 1789870, 2147844, 2326831, 2684805, 2863792, 3221766, 3400753, 3579740, 4295688, 4653662, 5369610, 6443532, 6801506, 6980493, 7159480, 8054415, 8591376, 9307324, 10202259, 10739220, 11634155, 12887064, 13603012, 13960986, 14318960, 16108830, 17003765, 18614648, 20404518, 20941479, 21478440, 23268310, 25774128, 27206024, 27921972, 30606777, 32217660, 34007530, 34902465, 37229296, 40809036, 41882958, 42956880, 44209789, 46536620, 51011295, 54412048, 55843944, 61213554, 64435320, 68015060, 69804930, 81618072, 83765916, 88419578, 93073240, 102022590, 104707395, 111687888, 122427108, 128870640, 132629367, 136030120, 139609860, 153033885, 163236144, 167531832, 176839156, 186146480, 204045180, 209414790, 221048945, 244854216, 265258734, 272060240, 279219720, 306067770, 335063664, 353678312, 397888101, 408090360, 418829580, 442097890, 489708432, 530517468, 558439440, 612135540, 663146835, 707356624, 795776202, 816180720, 837659160, 884195780, 1061034936, 1224271080, 1326293670, 1591552404, 1675318320, 1768391560, 1989440505, 2122069872, 2448542160, 2652587340, 3183104808, 3536783120, 3978881010, 5305174680, 6366209616, 7957762020, 10610349360, 15915524040, 31831048080]

約数ペア:

[(1, 31831048080), (2, 15915524040), (3, 10610349360), (4, 7957762020), (5, 6366209616), (6, 5305174680), (8, 3978881010), (9, 3536783120), (10, 3183104808), (12, 2652587340), (13, 2448542160), (15, 2122069872), (16, 1989440505), (18, 1768391560), (19, 1675318320), (20, 1591552404), (24, 1326293670), (26, 1224271080), (30, 1061034936), (36, 884195780), (38, 837659160), (39, 816180720), (40, 795776202), (45, 707356624), (48, 663146835), (52, 612135540), (57, 558439440), (60, 530517468), (65, 489708432), (72, 442097890), (76, 418829580), (78, 408090360), (80, 397888101), (90, 353678312), (95, 335063664), (104, 306067770), (114, 279219720), (117, 272060240), (120, 265258734), (130, 244854216), (144, 221048945), (152, 209414790), (156, 204045180), (171, 186146480), (180, 176839156), (190, 167531832), (195, 163236144), (208, 153033885), (228, 139609860), (234, 136030120), (240, 132629367), (247, 128870640), (260, 122427108), (285, 111687888), (304, 104707395), (312, 102022590), (342, 93073240), (360, 88419578), (380, 83765916), (390, 81618072), (456, 69804930), (468, 68015060), (494, 64435320), (520, 61213554), (570, 55843944), (585, 54412048), (624, 51011295), (684, 46536620), (720, 44209789), (741, 42956880), (760, 41882958), (780, 40809036), (855, 37229296), (912, 34902465), (936, 34007530), (988, 32217660), (1040, 30606777), (1140, 27921972), (1170, 27206024), (1235, 25774128), (1368, 23268310), (1482, 21478440), (1520, 20941479), (1560, 20404518), (1710, 18614648), (1872, 17003765), (1976, 16108830), (2223, 14318960), (2280, 13960986), (2340, 13603012), (2470, 12887064), (2736, 11634155), (2964, 10739220), (3120, 10202259), (3420, 9307324), (3705, 8591376), (3952, 8054415), (4446, 7159480), (4560, 6980493), (4680, 6801506), (4940, 6443532), (5928, 5369610), (6840, 4653662), (7410, 4295688), (8892, 3579740), (9360, 3400753), (9880, 3221766), (11115, 2863792), (11856, 2684805), (13680, 2326831), (14820, 2147844), (17784, 1789870), (19760, 1610883), (22230, 1431896), (29640, 1073922), (35568, 894935), (44460, 715948), (59280, 536961), (88920, 357974), (177840, 178987)]