204992460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2224

約数の個数: 144

約数和(自身を含む): 679940352

約数和(自身を除く): 474947892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1860, 2108, 2161, 2635, 2790, 3060, 3162, 4322, 4743, 5270, 5580, 6324, 6483, 7905, 8644, 9486, 10540, 10805, 12966, 15810, 18972, 19449, 21610, 23715, 25932, 31620, 32415, 36737, 38898, 43220, 47430, 64830, 66991, 73474, 77796, 94860, 97245, 110211, 129660, 133982, 146948, 183685, 194490, 200973, 220422, 267964, 330633, 334955, 367370, 388980, 401946, 440844, 551055, 602919, 661266, 669910, 734740, 803892, 1004865, 1102110, 1138847, 1205838, 1322532, 1339820, 1653165, 2009730, 2204220, 2277694, 2411676, 3014595, 3306330, 3416541, 4019460, 4555388, 5694235, 6029190, 6612660, 6833082, 10249623, 11388470, 12058380, 13666164, 17082705, 20499246, 22776940, 34165410, 40998492, 51248115, 68330820, 102496230, 204992460]

約数ペア:

[(1, 204992460), (2, 102496230), (3, 68330820), (4, 51248115), (5, 40998492), (6, 34165410), (9, 22776940), (10, 20499246), (12, 17082705), (15, 13666164), (17, 12058380), (18, 11388470), (20, 10249623), (30, 6833082), (31, 6612660), (34, 6029190), (36, 5694235), (45, 4555388), (51, 4019460), (60, 3416541), (62, 3306330), (68, 3014595), (85, 2411676), (90, 2277694), (93, 2204220), (102, 2009730), (124, 1653165), (153, 1339820), (155, 1322532), (170, 1205838), (180, 1138847), (186, 1102110), (204, 1004865), (255, 803892), (279, 734740), (306, 669910), (310, 661266), (340, 602919), (372, 551055), (465, 440844), (510, 401946), (527, 388980), (558, 367370), (612, 334955), (620, 330633), (765, 267964), (930, 220422), (1020, 200973), (1054, 194490), (1116, 183685), (1395, 146948), (1530, 133982), (1581, 129660), (1860, 110211), (2108, 97245), (2161, 94860), (2635, 77796), (2790, 73474), (3060, 66991), (3162, 64830), (4322, 47430), (4743, 43220), (5270, 38898), (5580, 36737), (6324, 32415), (6483, 31620), (7905, 25932), (8644, 23715), (9486, 21610), (10540, 19449), (10805, 18972), (12966, 15810)]