640662890880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17562031}}^1$

素因数の和:17562072

約数の個数: 128

約数和(自身を含む): 2149592716800

約数和(自身を除く): 1508929825920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 912, 960, 1140, 1216, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 4560, 6080, 7296, 9120, 12160, 18240, 36480, 17562031, 35124062, 52686093, 70248124, 87810155, 105372186, 140496248, 175620310, 210744372, 263430465, 280992496, 333678589, 351240620, 421488744, 526860930, 561984992, 667357178, 702481240, 842977488, 1001035767, 1053721860, 1123969984, 1334714356, 1404962480, 1668392945, 1685954976, 2002071534, 2107443720, 2247939968, 2669428712, 2809924960, 3336785890, 3371909952, 4004143068, 4214887440, 5005178835, 5338857424, 5619849920, 6673571780, 6743819904, 8008286136, 8429774880, 10010357670, 10677714848, 11239699840, 13347143560, 16016572272, 16859549760, 20020715340, 21355429696, 26694287120, 32033144544, 33719099520, 40041430680, 42710859392, 53388574240, 64066289088, 80082861360, 106777148480, 128132578176, 160165722720, 213554296960, 320331445440, 640662890880]

約数ペア:

[(1, 640662890880), (2, 320331445440), (3, 213554296960), (4, 160165722720), (5, 128132578176), (6, 106777148480), (8, 80082861360), (10, 64066289088), (12, 53388574240), (15, 42710859392), (16, 40041430680), (19, 33719099520), (20, 32033144544), (24, 26694287120), (30, 21355429696), (32, 20020715340), (38, 16859549760), (40, 16016572272), (48, 13347143560), (57, 11239699840), (60, 10677714848), (64, 10010357670), (76, 8429774880), (80, 8008286136), (95, 6743819904), (96, 6673571780), (114, 5619849920), (120, 5338857424), (128, 5005178835), (152, 4214887440), (160, 4004143068), (190, 3371909952), (192, 3336785890), (228, 2809924960), (240, 2669428712), (285, 2247939968), (304, 2107443720), (320, 2002071534), (380, 1685954976), (384, 1668392945), (456, 1404962480), (480, 1334714356), (570, 1123969984), (608, 1053721860), (640, 1001035767), (760, 842977488), (912, 702481240), (960, 667357178), (1140, 561984992), (1216, 526860930), (1520, 421488744), (1824, 351240620), (1920, 333678589), (2280, 280992496), (2432, 263430465), (3040, 210744372), (3648, 175620310), (4560, 140496248), (6080, 105372186), (7296, 87810155), (9120, 70248124), (12160, 52686093), (18240, 35124062), (36480, 17562031)]