81279049280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{12421}}^1$

素因数の和:12486

約数の個数: 252

約数和(自身を含む): 230382362196

約数和(自身を除く): 149103312916

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 121, 130, 143, 160, 169, 176, 208, 220, 242, 260, 286, 320, 338, 352, 416, 440, 484, 520, 572, 605, 676, 704, 715, 832, 845, 880, 968, 1040, 1144, 1210, 1352, 1430, 1573, 1690, 1760, 1859, 1936, 2080, 2288, 2420, 2704, 2860, 3146, 3380, 3520, 3718, 3872, 4160, 4576, 4840, 5408, 5720, 6292, 6760, 7436, 7744, 7865, 9152, 9295, 9680, 10816, 11440, 12421, 12584, 13520, 14872, 15730, 18590, 19360, 20449, 22880, 24842, 25168, 27040, 29744, 31460, 37180, 38720, 40898, 45760, 49684, 50336, 54080, 59488, 62105, 62920, 74360, 81796, 99368, 100672, 102245, 118976, 124210, 125840, 136631, 148720, 161473, 163592, 198736, 204490, 248420, 251680, 273262, 297440, 322946, 327184, 397472, 408980, 496840, 503360, 546524, 594880, 645892, 654368, 683155, 794944, 807365, 817960, 993680, 1093048, 1291784, 1308736, 1366310, 1502941, 1614730, 1635920, 1776203, 1987360, 2099149, 2186096, 2583568, 2732620, 3005882, 3229460, 3271840, 3552406, 3974720, 4198298, 4372192, 5167136, 5465240, 6011764, 6458920, 6543680, 7104812, 7514705, 8396596, 8744384, 8881015, 10334272, 10495745, 10930480, 12023528, 12917840, 14209624, 15029410, 16793192, 17762030, 19538233, 20991490, 21860960, 23090639, 24047056, 25835680, 28419248, 30058820, 33586384, 35524060, 39076466, 41982980, 43721920, 46181278, 48094112, 51671360, 56838496, 60117640, 67172768, 71048120, 78152932, 83965960, 92362556, 96188224, 97691165, 113676992, 115453195, 120235280, 134345536, 142096240, 156305864, 167931920, 184725112, 195382330, 230906390, 240470560, 253997029, 284192480, 312611728, 335863840, 369450224, 390764660, 461812780, 480941120, 507994058, 568384960, 625223456, 671727680, 738900448, 781529320, 923625560, 1015988116, 1250446912, 1269985145, 1477800896, 1563058640, 1847251120, 2031976232, 2539970290, 3126117280, 3694502240, 4063952464, 5079940580, 6252234560, 7389004480, 8127904928, 10159881160, 16255809856, 20319762320, 40639524640, 81279049280]

約数ペア:

[(1, 81279049280), (2, 40639524640), (4, 20319762320), (5, 16255809856), (8, 10159881160), (10, 8127904928), (11, 7389004480), (13, 6252234560), (16, 5079940580), (20, 4063952464), (22, 3694502240), (26, 3126117280), (32, 2539970290), (40, 2031976232), (44, 1847251120), (52, 1563058640), (55, 1477800896), (64, 1269985145), (65, 1250446912), (80, 1015988116), (88, 923625560), (104, 781529320), (110, 738900448), (121, 671727680), (130, 625223456), (143, 568384960), (160, 507994058), (169, 480941120), (176, 461812780), (208, 390764660), (220, 369450224), (242, 335863840), (260, 312611728), (286, 284192480), (320, 253997029), (338, 240470560), (352, 230906390), (416, 195382330), (440, 184725112), (484, 167931920), (520, 156305864), (572, 142096240), (605, 134345536), (676, 120235280), (704, 115453195), (715, 113676992), (832, 97691165), (845, 96188224), (880, 92362556), (968, 83965960), (1040, 78152932), (1144, 71048120), (1210, 67172768), (1352, 60117640), (1430, 56838496), (1573, 51671360), (1690, 48094112), (1760, 46181278), (1859, 43721920), (1936, 41982980), (2080, 39076466), (2288, 35524060), (2420, 33586384), (2704, 30058820), (2860, 28419248), (3146, 25835680), (3380, 24047056), (3520, 23090639), (3718, 21860960), (3872, 20991490), (4160, 19538233), (4576, 17762030), (4840, 16793192), (5408, 15029410), (5720, 14209624), (6292, 12917840), (6760, 12023528), (7436, 10930480), (7744, 10495745), (7865, 10334272), (9152, 8881015), (9295, 8744384), (9680, 8396596), (10816, 7514705), (11440, 7104812), (12421, 6543680), (12584, 6458920), (13520, 6011764), (14872, 5465240), (15730, 5167136), (18590, 4372192), (19360, 4198298), (20449, 3974720), (22880, 3552406), (24842, 3271840), (25168, 3229460), (27040, 3005882), (29744, 2732620), (31460, 2583568), (37180, 2186096), (38720, 2099149), (40898, 1987360), (45760, 1776203), (49684, 1635920), (50336, 1614730), (54080, 1502941), (59488, 1366310), (62105, 1308736), (62920, 1291784), (74360, 1093048), (81796, 993680), (99368, 817960), (100672, 807365), (102245, 794944), (118976, 683155), (124210, 654368), (125840, 645892), (136631, 594880), (148720, 546524), (161473, 503360), (163592, 496840), (198736, 408980), (204490, 397472), (248420, 327184), (251680, 322946), (273262, 297440)]