20102600280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:978

約数の個数: 256

約数和(自身を含む): 69726689280

約数和(自身を除く): 49624089000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 313, 314, 420, 471, 487, 626, 628, 785, 840, 939, 942, 974, 1099, 1252, 1256, 1461, 1565, 1570, 1878, 1884, 1948, 2191, 2198, 2355, 2435, 2504, 2922, 3130, 3140, 3297, 3409, 3756, 3768, 3896, 4382, 4396, 4695, 4710, 4870, 5495, 5844, 6260, 6280, 6573, 6594, 6818, 7305, 7512, 8764, 8792, 9390, 9420, 9740, 10227, 10955, 10990, 11688, 12520, 13146, 13188, 13636, 14610, 16485, 17045, 17528, 18780, 18840, 19480, 20454, 21910, 21980, 26292, 26376, 27272, 29220, 32865, 32970, 34090, 37560, 40908, 43820, 43960, 49141, 51135, 52584, 58440, 65730, 65940, 68180, 76459, 81816, 87640, 98282, 102270, 131460, 131880, 136360, 147423, 152431, 152918, 196564, 204540, 229377, 245705, 262920, 294846, 304862, 305836, 343987, 382295, 393128, 409080, 457293, 458754, 491410, 535213, 589692, 609724, 611672, 687974, 737115, 762155, 764590, 914586, 917508, 982820, 1031961, 1067017, 1070426, 1146885, 1179384, 1219448, 1375948, 1474230, 1524310, 1529180, 1605639, 1719935, 1829172, 1835016, 1965640, 2063922, 2134034, 2140852, 2286465, 2293770, 2676065, 2751896, 2948460, 3048620, 3058360, 3201051, 3211278, 3439870, 3658344, 4127844, 4268068, 4281704, 4572930, 4587540, 5159805, 5335085, 5352130, 5896920, 6097240, 6402102, 6422556, 6879740, 8028195, 8255688, 8536136, 9145860, 9175080, 10319610, 10670170, 10704260, 12804204, 12845112, 13759480, 16005255, 16056390, 18291720, 20639220, 21340340, 21408520, 23931667, 25608408, 32010510, 32112780, 41278440, 42680680, 47863334, 64021020, 64225560, 71795001, 95726668, 119658335, 128042040, 143590002, 167521669, 191453336, 239316670, 287180004, 335043338, 358975005, 478633340, 502565007, 574360008, 670086676, 717950010, 837608345, 957266680, 1005130014, 1340173352, 1435900020, 1675216690, 2010260028, 2512825035, 2871800040, 3350433380, 4020520056, 5025650070, 6700866760, 10051300140, 20102600280]

約数ペア:

[(1, 20102600280), (2, 10051300140), (3, 6700866760), (4, 5025650070), (5, 4020520056), (6, 3350433380), (7, 2871800040), (8, 2512825035), (10, 2010260028), (12, 1675216690), (14, 1435900020), (15, 1340173352), (20, 1005130014), (21, 957266680), (24, 837608345), (28, 717950010), (30, 670086676), (35, 574360008), (40, 502565007), (42, 478633340), (56, 358975005), (60, 335043338), (70, 287180004), (84, 239316670), (105, 191453336), (120, 167521669), (140, 143590002), (157, 128042040), (168, 119658335), (210, 95726668), (280, 71795001), (313, 64225560), (314, 64021020), (420, 47863334), (471, 42680680), (487, 41278440), (626, 32112780), (628, 32010510), (785, 25608408), (840, 23931667), (939, 21408520), (942, 21340340), (974, 20639220), (1099, 18291720), (1252, 16056390), (1256, 16005255), (1461, 13759480), (1565, 12845112), (1570, 12804204), (1878, 10704260), (1884, 10670170), (1948, 10319610), (2191, 9175080), (2198, 9145860), (2355, 8536136), (2435, 8255688), (2504, 8028195), (2922, 6879740), (3130, 6422556), (3140, 6402102), (3297, 6097240), (3409, 5896920), (3756, 5352130), (3768, 5335085), (3896, 5159805), (4382, 4587540), (4396, 4572930), (4695, 4281704), (4710, 4268068), (4870, 4127844), (5495, 3658344), (5844, 3439870), (6260, 3211278), (6280, 3201051), (6573, 3058360), (6594, 3048620), (6818, 2948460), (7305, 2751896), (7512, 2676065), (8764, 2293770), (8792, 2286465), (9390, 2140852), (9420, 2134034), (9740, 2063922), (10227, 1965640), (10955, 1835016), (10990, 1829172), (11688, 1719935), (12520, 1605639), (13146, 1529180), (13188, 1524310), (13636, 1474230), (14610, 1375948), (16485, 1219448), (17045, 1179384), (17528, 1146885), (18780, 1070426), (18840, 1067017), (19480, 1031961), (20454, 982820), (21910, 917508), (21980, 914586), (26292, 764590), (26376, 762155), (27272, 737115), (29220, 687974), (32865, 611672), (32970, 609724), (34090, 589692), (37560, 535213), (40908, 491410), (43820, 458754), (43960, 457293), (49141, 409080), (51135, 393128), (52584, 382295), (58440, 343987), (65730, 305836), (65940, 304862), (68180, 294846), (76459, 262920), (81816, 245705), (87640, 229377), (98282, 204540), (102270, 196564), (131460, 152918), (131880, 152431), (136360, 147423)]