256714380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 288

約数和(自身を含む): 903873600

約数和(自身を除く): 647159220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 87, 90, 97, 108, 116, 117, 130, 135, 145, 156, 169, 174, 180, 194, 195, 234, 260, 261, 270, 290, 291, 338, 348, 351, 377, 388, 390, 435, 468, 485, 507, 522, 540, 580, 582, 585, 676, 702, 754, 780, 783, 845, 870, 873, 970, 1014, 1044, 1131, 1164, 1170, 1261, 1305, 1404, 1455, 1508, 1521, 1566, 1690, 1740, 1746, 1755, 1885, 1940, 2028, 2262, 2340, 2522, 2535, 2610, 2619, 2813, 2910, 3042, 3132, 3380, 3393, 3492, 3510, 3770, 3783, 3915, 4365, 4524, 4563, 4901, 5044, 5070, 5220, 5238, 5626, 5655, 5820, 6084, 6305, 6786, 7020, 7540, 7566, 7605, 7830, 8439, 8730, 9126, 9802, 10140, 10179, 10476, 11252, 11310, 11349, 12610, 13095, 13572, 14065, 14703, 15132, 15210, 15660, 16393, 16878, 16965, 17460, 18252, 18915, 19604, 20358, 22620, 22698, 22815, 24505, 25220, 25317, 26190, 28130, 29406, 30420, 32786, 33756, 33930, 34047, 36569, 37830, 40716, 42195, 44109, 45396, 45630, 49010, 49179, 50634, 50895, 52380, 56260, 56745, 58812, 65572, 67860, 68094, 73138, 73515, 75660, 75951, 81965, 84390, 88218, 91260, 98020, 98358, 101268, 101790, 109707, 113490, 126585, 132327, 136188, 146276, 147030, 147537, 151902, 163930, 168780, 170235, 176436, 182845, 196716, 203580, 219414, 220545, 226980, 245895, 253170, 264654, 294060, 295074, 303804, 327860, 329121, 340470, 365690, 379755, 438828, 441090, 442611, 475397, 491790, 506340, 529308, 548535, 590148, 658242, 661635, 680940, 731380, 737685, 759510, 882180, 885222, 950794, 983580, 987363, 1097070, 1316484, 1323270, 1426191, 1475370, 1519020, 1645605, 1770444, 1901588, 1974726, 2194140, 2213055, 2376985, 2646540, 2852382, 2950740, 3291210, 3949452, 4278573, 4426110, 4753970, 4936815, 5704764, 6582420, 7130955, 8557146, 8852220, 9507940, 9873630, 12835719, 14261910, 17114292, 19747260, 21392865, 25671438, 28523820, 42785730, 51342876, 64178595, 85571460, 128357190, 256714380]

約数ペア:

[(1, 256714380), (2, 128357190), (3, 85571460), (4, 64178595), (5, 51342876), (6, 42785730), (9, 28523820), (10, 25671438), (12, 21392865), (13, 19747260), (15, 17114292), (18, 14261910), (20, 12835719), (26, 9873630), (27, 9507940), (29, 8852220), (30, 8557146), (36, 7130955), (39, 6582420), (45, 5704764), (52, 4936815), (54, 4753970), (58, 4426110), (60, 4278573), (65, 3949452), (78, 3291210), (87, 2950740), (90, 2852382), (97, 2646540), (108, 2376985), (116, 2213055), (117, 2194140), (130, 1974726), (135, 1901588), (145, 1770444), (156, 1645605), (169, 1519020), (174, 1475370), (180, 1426191), (194, 1323270), (195, 1316484), (234, 1097070), (260, 987363), (261, 983580), (270, 950794), (290, 885222), (291, 882180), (338, 759510), (348, 737685), (351, 731380), (377, 680940), (388, 661635), (390, 658242), (435, 590148), (468, 548535), (485, 529308), (507, 506340), (522, 491790), (540, 475397), (580, 442611), (582, 441090), (585, 438828), (676, 379755), (702, 365690), (754, 340470), (780, 329121), (783, 327860), (845, 303804), (870, 295074), (873, 294060), (970, 264654), (1014, 253170), (1044, 245895), (1131, 226980), (1164, 220545), (1170, 219414), (1261, 203580), (1305, 196716), (1404, 182845), (1455, 176436), (1508, 170235), (1521, 168780), (1566, 163930), (1690, 151902), (1740, 147537), (1746, 147030), (1755, 146276), (1885, 136188), (1940, 132327), (2028, 126585), (2262, 113490), (2340, 109707), (2522, 101790), (2535, 101268), (2610, 98358), (2619, 98020), (2813, 91260), (2910, 88218), (3042, 84390), (3132, 81965), (3380, 75951), (3393, 75660), (3492, 73515), (3510, 73138), (3770, 68094), (3783, 67860), (3915, 65572), (4365, 58812), (4524, 56745), (4563, 56260), (4901, 52380), (5044, 50895), (5070, 50634), (5220, 49179), (5238, 49010), (5626, 45630), (5655, 45396), (5820, 44109), (6084, 42195), (6305, 40716), (6786, 37830), (7020, 36569), (7540, 34047), (7566, 33930), (7605, 33756), (7830, 32786), (8439, 30420), (8730, 29406), (9126, 28130), (9802, 26190), (10140, 25317), (10179, 25220), (10476, 24505), (11252, 22815), (11310, 22698), (11349, 22620), (12610, 20358), (13095, 19604), (13572, 18915), (14065, 18252), (14703, 17460), (15132, 16965), (15210, 16878), (15660, 16393)]