218356740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1351

約数の個数: 216

約数和(自身を含む): 811661760

約数和(自身を除く): 593305020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1140, 1197, 1260, 1303, 1330, 1470, 1596, 1710, 1764, 1862, 1995, 2205, 2394, 2606, 2660, 2793, 2940, 3420, 3724, 3909, 3990, 4410, 4655, 4788, 5212, 5586, 5985, 6515, 7818, 7980, 8379, 8820, 9121, 9310, 11172, 11727, 11970, 13030, 13965, 15636, 16758, 18242, 18620, 19545, 23454, 23940, 24757, 26060, 27363, 27930, 33516, 36484, 39090, 41895, 45605, 46908, 49514, 54726, 55860, 58635, 63847, 74271, 78180, 82089, 83790, 91210, 99028, 109452, 117270, 123785, 127694, 136815, 148542, 164178, 167580, 173299, 182420, 191541, 222813, 234540, 247570, 255388, 273630, 297084, 319235, 328356, 346598, 371355, 383082, 410445, 445626, 495140, 519897, 547260, 574623, 638470, 693196, 742710, 766164, 820890, 866495, 891252, 957705, 1039794, 1114065, 1149246, 1213093, 1276940, 1485420, 1559691, 1641780, 1732990, 1915410, 2079588, 2228130, 2298492, 2426186, 2599485, 2873115, 3119382, 3465980, 3639279, 3830820, 4456260, 4852372, 5198970, 5746230, 6065465, 6238764, 7278558, 7798455, 10397940, 10917837, 11492460, 12130930, 14557116, 15596910, 18196395, 21835674, 24261860, 31193820, 36392790, 43671348, 54589185, 72785580, 109178370, 218356740]

約数ペア:

[(1, 218356740), (2, 109178370), (3, 72785580), (4, 54589185), (5, 43671348), (6, 36392790), (7, 31193820), (9, 24261860), (10, 21835674), (12, 18196395), (14, 15596910), (15, 14557116), (18, 12130930), (19, 11492460), (20, 10917837), (21, 10397940), (28, 7798455), (30, 7278558), (35, 6238764), (36, 6065465), (38, 5746230), (42, 5198970), (45, 4852372), (49, 4456260), (57, 3830820), (60, 3639279), (63, 3465980), (70, 3119382), (76, 2873115), (84, 2599485), (90, 2426186), (95, 2298492), (98, 2228130), (105, 2079588), (114, 1915410), (126, 1732990), (133, 1641780), (140, 1559691), (147, 1485420), (171, 1276940), (180, 1213093), (190, 1149246), (196, 1114065), (210, 1039794), (228, 957705), (245, 891252), (252, 866495), (266, 820890), (285, 766164), (294, 742710), (315, 693196), (342, 638470), (380, 574623), (399, 547260), (420, 519897), (441, 495140), (490, 445626), (532, 410445), (570, 383082), (588, 371355), (630, 346598), (665, 328356), (684, 319235), (735, 297084), (798, 273630), (855, 255388), (882, 247570), (931, 234540), (980, 222813), (1140, 191541), (1197, 182420), (1260, 173299), (1303, 167580), (1330, 164178), (1470, 148542), (1596, 136815), (1710, 127694), (1764, 123785), (1862, 117270), (1995, 109452), (2205, 99028), (2394, 91210), (2606, 83790), (2660, 82089), (2793, 78180), (2940, 74271), (3420, 63847), (3724, 58635), (3909, 55860), (3990, 54726), (4410, 49514), (4655, 46908), (4788, 45605), (5212, 41895), (5586, 39090), (5985, 36484), (6515, 33516), (7818, 27930), (7980, 27363), (8379, 26060), (8820, 24757), (9121, 23940), (9310, 23454), (11172, 19545), (11727, 18620), (11970, 18242), (13030, 16758), (13965, 15636)]