1978203240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22247}}^1$

素因数の和:22296

約数の個数: 192

約数和(自身を含む): 7288444800

約数和(自身を除く): 5310241560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 684, 741, 760, 780, 855, 936, 988, 1140, 1170, 1235, 1368, 1482, 1560, 1710, 1976, 2223, 2280, 2340, 2470, 2964, 3420, 3705, 4446, 4680, 4940, 5928, 6840, 7410, 8892, 9880, 11115, 14820, 17784, 22230, 22247, 29640, 44460, 44494, 66741, 88920, 88988, 111235, 133482, 177976, 200223, 222470, 266964, 289211, 333705, 400446, 422693, 444940, 533928, 578422, 667410, 800892, 845386, 867633, 889880, 1001115, 1156844, 1268079, 1334820, 1446055, 1601784, 1690772, 1735266, 2002230, 2113465, 2313688, 2536158, 2602899, 2669640, 2892110, 3381544, 3470532, 3804237, 4004460, 4226930, 4338165, 5072316, 5205798, 5495009, 5784220, 6340395, 6941064, 7608474, 8008920, 8453860, 8676330, 10144632, 10411596, 10990018, 11568440, 12680790, 13014495, 15216948, 16485027, 16907720, 17352660, 19021185, 20823192, 21980036, 25361580, 26028990, 27475045, 30433896, 32970054, 34705320, 38042370, 43960072, 49455081, 50723160, 52057980, 54950090, 65940108, 76084740, 82425135, 98910162, 104115960, 109900180, 131880216, 152169480, 164850270, 197820324, 219800360, 247275405, 329700540, 395640648, 494550810, 659401080, 989101620, 1978203240]

約数ペア:

[(1, 1978203240), (2, 989101620), (3, 659401080), (4, 494550810), (5, 395640648), (6, 329700540), (8, 247275405), (9, 219800360), (10, 197820324), (12, 164850270), (13, 152169480), (15, 131880216), (18, 109900180), (19, 104115960), (20, 98910162), (24, 82425135), (26, 76084740), (30, 65940108), (36, 54950090), (38, 52057980), (39, 50723160), (40, 49455081), (45, 43960072), (52, 38042370), (57, 34705320), (60, 32970054), (65, 30433896), (72, 27475045), (76, 26028990), (78, 25361580), (90, 21980036), (95, 20823192), (104, 19021185), (114, 17352660), (117, 16907720), (120, 16485027), (130, 15216948), (152, 13014495), (156, 12680790), (171, 11568440), (180, 10990018), (190, 10411596), (195, 10144632), (228, 8676330), (234, 8453860), (247, 8008920), (260, 7608474), (285, 6941064), (312, 6340395), (342, 5784220), (360, 5495009), (380, 5205798), (390, 5072316), (456, 4338165), (468, 4226930), (494, 4004460), (520, 3804237), (570, 3470532), (585, 3381544), (684, 2892110), (741, 2669640), (760, 2602899), (780, 2536158), (855, 2313688), (936, 2113465), (988, 2002230), (1140, 1735266), (1170, 1690772), (1235, 1601784), (1368, 1446055), (1482, 1334820), (1560, 1268079), (1710, 1156844), (1976, 1001115), (2223, 889880), (2280, 867633), (2340, 845386), (2470, 800892), (2964, 667410), (3420, 578422), (3705, 533928), (4446, 444940), (4680, 422693), (4940, 400446), (5928, 333705), (6840, 289211), (7410, 266964), (8892, 222470), (9880, 200223), (11115, 177976), (14820, 133482), (17784, 111235), (22230, 88988), (22247, 88920), (29640, 66741), (44460, 44494)]