68578020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1471}}^1$

素因数の和:1530

約数の個数: 144

約数和(自身を含む): 244328448

約数和(自身を除く): 175750428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1471, 1554, 1665, 2220, 2331, 2590, 2942, 3108, 3330, 3885, 4413, 4662, 5180, 5884, 6660, 7355, 7770, 8826, 9324, 10297, 11655, 13239, 14710, 15540, 17652, 20594, 22065, 23310, 26478, 29420, 30891, 41188, 44130, 46620, 51485, 52956, 54427, 61782, 66195, 88260, 92673, 102970, 108854, 123564, 132390, 154455, 163281, 185346, 205940, 217708, 264780, 272135, 308910, 326562, 370692, 380989, 463365, 489843, 544270, 617820, 653124, 761978, 816405, 926730, 979686, 1088540, 1142967, 1523956, 1632810, 1853460, 1904945, 1959372, 2285934, 2449215, 3265620, 3428901, 3809890, 4571868, 4898430, 5714835, 6857802, 7619780, 9796860, 11429670, 13715604, 17144505, 22859340, 34289010, 68578020]

約数ペア:

[(1, 68578020), (2, 34289010), (3, 22859340), (4, 17144505), (5, 13715604), (6, 11429670), (7, 9796860), (9, 7619780), (10, 6857802), (12, 5714835), (14, 4898430), (15, 4571868), (18, 3809890), (20, 3428901), (21, 3265620), (28, 2449215), (30, 2285934), (35, 1959372), (36, 1904945), (37, 1853460), (42, 1632810), (45, 1523956), (60, 1142967), (63, 1088540), (70, 979686), (74, 926730), (84, 816405), (90, 761978), (105, 653124), (111, 617820), (126, 544270), (140, 489843), (148, 463365), (180, 380989), (185, 370692), (210, 326562), (222, 308910), (252, 272135), (259, 264780), (315, 217708), (333, 205940), (370, 185346), (420, 163281), (444, 154455), (518, 132390), (555, 123564), (630, 108854), (666, 102970), (740, 92673), (777, 88260), (1036, 66195), (1110, 61782), (1260, 54427), (1295, 52956), (1332, 51485), (1471, 46620), (1554, 44130), (1665, 41188), (2220, 30891), (2331, 29420), (2590, 26478), (2942, 23310), (3108, 22065), (3330, 20594), (3885, 17652), (4413, 15540), (4662, 14710), (5180, 13239), (5884, 11655), (6660, 10297), (7355, 9324), (7770, 8826)]