7319340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 26225472

約数和(自身を除く): 18906132

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, 157, 180, 185, 210, 222, 252, 259, 314, 315, 333, 370, 420, 444, 471, 518, 555, 628, 630, 666, 740, 777, 785, 942, 1036, 1099, 1110, 1260, 1295, 1332, 1413, 1554, 1570, 1665, 1884, 2198, 2220, 2331, 2355, 2590, 2826, 3108, 3140, 3297, 3330, 3885, 4396, 4662, 4710, 5180, 5495, 5652, 5809, 6594, 6660, 7065, 7770, 9324, 9420, 9891, 10990, 11618, 11655, 13188, 14130, 15540, 16485, 17427, 19782, 21980, 23236, 23310, 28260, 29045, 32970, 34854, 39564, 40663, 46620, 49455, 52281, 58090, 65940, 69708, 81326, 87135, 98910, 104562, 116180, 121989, 162652, 174270, 197820, 203315, 209124, 243978, 261405, 348540, 365967, 406630, 487956, 522810, 609945, 731934, 813260, 1045620, 1219890, 1463868, 1829835, 2439780, 3659670, 7319340]

約数ペア:

[(1, 7319340), (2, 3659670), (3, 2439780), (4, 1829835), (5, 1463868), (6, 1219890), (7, 1045620), (9, 813260), (10, 731934), (12, 609945), (14, 522810), (15, 487956), (18, 406630), (20, 365967), (21, 348540), (28, 261405), (30, 243978), (35, 209124), (36, 203315), (37, 197820), (42, 174270), (45, 162652), (60, 121989), (63, 116180), (70, 104562), (74, 98910), (84, 87135), (90, 81326), (105, 69708), (111, 65940), (126, 58090), (140, 52281), (148, 49455), (157, 46620), (180, 40663), (185, 39564), (210, 34854), (222, 32970), (252, 29045), (259, 28260), (314, 23310), (315, 23236), (333, 21980), (370, 19782), (420, 17427), (444, 16485), (471, 15540), (518, 14130), (555, 13188), (628, 11655), (630, 11618), (666, 10990), (740, 9891), (777, 9420), (785, 9324), (942, 7770), (1036, 7065), (1099, 6660), (1110, 6594), (1260, 5809), (1295, 5652), (1332, 5495), (1413, 5180), (1554, 4710), (1570, 4662), (1665, 4396), (1884, 3885), (2198, 3330), (2220, 3297), (2331, 3140), (2355, 3108), (2590, 2826)]