208910520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:955

約数の個数: 288

約数和(自身を含む): 851497920

約数和(自身を除く): 642587400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 49, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 98, 104, 105, 117, 120, 126, 130, 140, 147, 156, 168, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 280, 294, 312, 315, 360, 364, 390, 392, 420, 441, 455, 468, 490, 504, 520, 546, 585, 588, 630, 637, 728, 735, 780, 819, 840, 882, 910, 911, 936, 980, 1092, 1170, 1176, 1260, 1274, 1365, 1470, 1560, 1638, 1764, 1820, 1822, 1911, 1960, 2184, 2205, 2340, 2520, 2548, 2730, 2733, 2940, 3185, 3276, 3528, 3640, 3644, 3822, 4095, 4410, 4555, 4680, 5096, 5460, 5466, 5733, 5880, 6370, 6377, 6552, 7288, 7644, 8190, 8199, 8820, 9110, 9555, 10920, 10932, 11466, 11843, 12740, 12754, 13665, 15288, 16380, 16398, 17640, 18220, 19110, 19131, 21864, 22932, 23686, 25480, 25508, 27330, 28665, 31885, 32760, 32796, 35529, 36440, 38220, 38262, 40995, 44639, 45864, 47372, 51016, 54660, 57330, 57393, 59215, 63770, 65592, 71058, 76440, 76524, 81990, 82901, 89278, 94744, 95655, 106587, 109320, 114660, 114786, 118430, 127540, 133917, 142116, 153048, 163980, 165802, 177645, 178556, 191310, 213174, 223195, 229320, 229572, 236860, 248703, 255080, 267834, 284232, 286965, 327960, 331604, 355290, 357112, 382620, 401751, 414505, 426348, 446390, 459144, 473720, 497406, 532935, 535668, 573930, 580307, 663208, 669585, 710580, 746109, 765240, 803502, 829010, 852696, 892780, 994812, 1065870, 1071336, 1147860, 1160614, 1243515, 1339170, 1421160, 1492218, 1607004, 1658020, 1740921, 1785560, 1989624, 2008755, 2131740, 2295720, 2321228, 2487030, 2678340, 2901535, 2984436, 3214008, 3316040, 3481842, 3730545, 4017510, 4263480, 4642456, 4974060, 5222763, 5356680, 5803070, 5968872, 6963684, 7461090, 8035020, 8704605, 9948120, 10445526, 11606140, 13927368, 14922180, 16070040, 17409210, 20891052, 23212280, 26113815, 29844360, 34818420, 41782104, 52227630, 69636840, 104455260, 208910520]

約数ペア:

[(1, 208910520), (2, 104455260), (3, 69636840), (4, 52227630), (5, 41782104), (6, 34818420), (7, 29844360), (8, 26113815), (9, 23212280), (10, 20891052), (12, 17409210), (13, 16070040), (14, 14922180), (15, 13927368), (18, 11606140), (20, 10445526), (21, 9948120), (24, 8704605), (26, 8035020), (28, 7461090), (30, 6963684), (35, 5968872), (36, 5803070), (39, 5356680), (40, 5222763), (42, 4974060), (45, 4642456), (49, 4263480), (52, 4017510), (56, 3730545), (60, 3481842), (63, 3316040), (65, 3214008), (70, 2984436), (72, 2901535), (78, 2678340), (84, 2487030), (90, 2321228), (91, 2295720), (98, 2131740), (104, 2008755), (105, 1989624), (117, 1785560), (120, 1740921), (126, 1658020), (130, 1607004), (140, 1492218), (147, 1421160), (156, 1339170), (168, 1243515), (180, 1160614), (182, 1147860), (195, 1071336), (196, 1065870), (210, 994812), (234, 892780), (245, 852696), (252, 829010), (260, 803502), (273, 765240), (280, 746109), (294, 710580), (312, 669585), (315, 663208), (360, 580307), (364, 573930), (390, 535668), (392, 532935), (420, 497406), (441, 473720), (455, 459144), (468, 446390), (490, 426348), (504, 414505), (520, 401751), (546, 382620), (585, 357112), (588, 355290), (630, 331604), (637, 327960), (728, 286965), (735, 284232), (780, 267834), (819, 255080), (840, 248703), (882, 236860), (910, 229572), (911, 229320), (936, 223195), (980, 213174), (1092, 191310), (1170, 178556), (1176, 177645), (1260, 165802), (1274, 163980), (1365, 153048), (1470, 142116), (1560, 133917), (1638, 127540), (1764, 118430), (1820, 114786), (1822, 114660), (1911, 109320), (1960, 106587), (2184, 95655), (2205, 94744), (2340, 89278), (2520, 82901), (2548, 81990), (2730, 76524), (2733, 76440), (2940, 71058), (3185, 65592), (3276, 63770), (3528, 59215), (3640, 57393), (3644, 57330), (3822, 54660), (4095, 51016), (4410, 47372), (4555, 45864), (4680, 44639), (5096, 40995), (5460, 38262), (5466, 38220), (5733, 36440), (5880, 35529), (6370, 32796), (6377, 32760), (6552, 31885), (7288, 28665), (7644, 27330), (8190, 25508), (8199, 25480), (8820, 23686), (9110, 22932), (9555, 21864), (10920, 19131), (10932, 19110), (11466, 18220), (11843, 17640), (12740, 16398), (12754, 16380), (13665, 15288)]