262521480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:584

約数の個数: 256

約数和(自身を含む): 947116800

約数和(自身を除く): 684595320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 19, 20, 24, 26, 30, 34, 38, 39, 40, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 104, 114, 120, 130, 136, 152, 156, 170, 190, 195, 204, 221, 228, 247, 255, 260, 285, 312, 323, 340, 380, 390, 408, 442, 456, 494, 510, 520, 521, 570, 646, 663, 680, 741, 760, 780, 884, 969, 988, 1020, 1042, 1105, 1140, 1235, 1292, 1326, 1482, 1560, 1563, 1615, 1768, 1938, 1976, 2040, 2084, 2210, 2280, 2470, 2584, 2605, 2652, 2964, 3126, 3230, 3315, 3705, 3876, 4168, 4199, 4420, 4845, 4940, 5210, 5304, 5928, 6252, 6460, 6630, 6773, 7410, 7752, 7815, 8398, 8840, 8857, 9690, 9880, 9899, 10420, 12504, 12597, 12920, 13260, 13546, 14820, 15630, 16796, 17714, 19380, 19798, 20319, 20840, 20995, 25194, 26520, 26571, 27092, 29640, 29697, 31260, 33592, 33865, 35428, 38760, 39596, 40638, 41990, 44285, 49495, 50388, 53142, 54184, 59394, 62520, 62985, 67730, 70856, 79192, 81276, 83980, 88570, 98990, 100776, 101595, 106284, 115141, 118788, 125970, 128687, 132855, 135460, 148485, 162552, 167960, 168283, 177140, 197980, 203190, 212568, 230282, 237576, 251940, 257374, 265710, 270920, 296970, 336566, 345423, 354280, 386061, 395960, 406380, 460564, 503880, 504849, 514748, 531420, 575705, 593940, 643435, 673132, 690846, 772122, 812760, 841415, 921128, 1009698, 1029496, 1062840, 1151410, 1187880, 1286870, 1346264, 1381692, 1544244, 1682830, 1727115, 1930305, 2019396, 2187679, 2302820, 2524245, 2573740, 2763384, 3088488, 3365660, 3454230, 3860610, 4038792, 4375358, 4605640, 5048490, 5147480, 6563037, 6731320, 6908460, 7721220, 8750716, 10096980, 10938395, 13126074, 13816920, 15442440, 17501432, 20193960, 21876790, 26252148, 32815185, 43753580, 52504296, 65630370, 87507160, 131260740, 262521480]

約数ペア:

[(1, 262521480), (2, 131260740), (3, 87507160), (4, 65630370), (5, 52504296), (6, 43753580), (8, 32815185), (10, 26252148), (12, 21876790), (13, 20193960), (15, 17501432), (17, 15442440), (19, 13816920), (20, 13126074), (24, 10938395), (26, 10096980), (30, 8750716), (34, 7721220), (38, 6908460), (39, 6731320), (40, 6563037), (51, 5147480), (52, 5048490), (57, 4605640), (60, 4375358), (65, 4038792), (68, 3860610), (76, 3454230), (78, 3365660), (85, 3088488), (95, 2763384), (102, 2573740), (104, 2524245), (114, 2302820), (120, 2187679), (130, 2019396), (136, 1930305), (152, 1727115), (156, 1682830), (170, 1544244), (190, 1381692), (195, 1346264), (204, 1286870), (221, 1187880), (228, 1151410), (247, 1062840), (255, 1029496), (260, 1009698), (285, 921128), (312, 841415), (323, 812760), (340, 772122), (380, 690846), (390, 673132), (408, 643435), (442, 593940), (456, 575705), (494, 531420), (510, 514748), (520, 504849), (521, 503880), (570, 460564), (646, 406380), (663, 395960), (680, 386061), (741, 354280), (760, 345423), (780, 336566), (884, 296970), (969, 270920), (988, 265710), (1020, 257374), (1042, 251940), (1105, 237576), (1140, 230282), (1235, 212568), (1292, 203190), (1326, 197980), (1482, 177140), (1560, 168283), (1563, 167960), (1615, 162552), (1768, 148485), (1938, 135460), (1976, 132855), (2040, 128687), (2084, 125970), (2210, 118788), (2280, 115141), (2470, 106284), (2584, 101595), (2605, 100776), (2652, 98990), (2964, 88570), (3126, 83980), (3230, 81276), (3315, 79192), (3705, 70856), (3876, 67730), (4168, 62985), (4199, 62520), (4420, 59394), (4845, 54184), (4940, 53142), (5210, 50388), (5304, 49495), (5928, 44285), (6252, 41990), (6460, 40638), (6630, 39596), (6773, 38760), (7410, 35428), (7752, 33865), (7815, 33592), (8398, 31260), (8840, 29697), (8857, 29640), (9690, 27092), (9880, 26571), (9899, 26520), (10420, 25194), (12504, 20995), (12597, 20840), (12920, 20319), (13260, 19798), (13546, 19380), (14820, 17714), (15630, 16796)]