81204060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 275788800

約数和(自身を除く): 194584740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 59, 60, 70, 84, 87, 105, 113, 116, 118, 140, 145, 174, 177, 203, 210, 226, 236, 290, 295, 339, 348, 354, 406, 413, 420, 435, 452, 565, 580, 590, 609, 678, 708, 791, 812, 826, 870, 885, 1015, 1130, 1180, 1218, 1239, 1356, 1582, 1652, 1695, 1711, 1740, 1770, 2030, 2065, 2260, 2373, 2436, 2478, 3045, 3164, 3277, 3390, 3422, 3540, 3955, 4060, 4130, 4746, 4956, 5133, 6090, 6195, 6554, 6667, 6780, 6844, 7910, 8260, 8555, 9492, 9831, 10266, 11865, 11977, 12180, 12390, 13108, 13334, 15820, 16385, 17110, 19662, 20001, 20532, 22939, 23730, 23954, 24780, 25665, 26668, 32770, 33335, 34220, 35931, 39324, 40002, 45878, 46669, 47460, 47908, 49155, 51330, 59885, 65540, 66670, 68817, 71862, 80004, 91756, 93338, 98310, 100005, 102660, 114695, 119770, 133340, 137634, 140007, 143724, 179655, 186676, 193343, 196620, 200010, 229390, 233345, 239540, 275268, 280014, 344085, 359310, 386686, 400020, 458780, 466690, 560028, 580029, 688170, 700035, 718620, 773372, 933380, 966715, 1160058, 1353401, 1376340, 1400070, 1933430, 2320116, 2706802, 2800140, 2900145, 3866860, 4060203, 5413604, 5800290, 6767005, 8120406, 11600580, 13534010, 16240812, 20301015, 27068020, 40602030, 81204060]

約数ペア:

[(1, 81204060), (2, 40602030), (3, 27068020), (4, 20301015), (5, 16240812), (6, 13534010), (7, 11600580), (10, 8120406), (12, 6767005), (14, 5800290), (15, 5413604), (20, 4060203), (21, 3866860), (28, 2900145), (29, 2800140), (30, 2706802), (35, 2320116), (42, 1933430), (58, 1400070), (59, 1376340), (60, 1353401), (70, 1160058), (84, 966715), (87, 933380), (105, 773372), (113, 718620), (116, 700035), (118, 688170), (140, 580029), (145, 560028), (174, 466690), (177, 458780), (203, 400020), (210, 386686), (226, 359310), (236, 344085), (290, 280014), (295, 275268), (339, 239540), (348, 233345), (354, 229390), (406, 200010), (413, 196620), (420, 193343), (435, 186676), (452, 179655), (565, 143724), (580, 140007), (590, 137634), (609, 133340), (678, 119770), (708, 114695), (791, 102660), (812, 100005), (826, 98310), (870, 93338), (885, 91756), (1015, 80004), (1130, 71862), (1180, 68817), (1218, 66670), (1239, 65540), (1356, 59885), (1582, 51330), (1652, 49155), (1695, 47908), (1711, 47460), (1740, 46669), (1770, 45878), (2030, 40002), (2065, 39324), (2260, 35931), (2373, 34220), (2436, 33335), (2478, 32770), (3045, 26668), (3164, 25665), (3277, 24780), (3390, 23954), (3422, 23730), (3540, 22939), (3955, 20532), (4060, 20001), (4130, 19662), (4746, 17110), (4956, 16385), (5133, 15820), (6090, 13334), (6195, 13108), (6554, 12390), (6667, 12180), (6780, 11977), (6844, 11865), (7910, 10266), (8260, 9831), (8555, 9492)]