1258740

素因数分解:

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

素因数の和:68

約数の個数: 144

約数和(自身を含む): 4647552

約数和(自身を除く): 3388812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 37, 42, 45, 54, 60, 63, 70, 74, 81, 84, 90, 105, 108, 111, 126, 135, 140, 148, 162, 180, 185, 189, 210, 222, 243, 252, 259, 270, 315, 324, 333, 370, 378, 405, 420, 444, 486, 518, 540, 555, 567, 630, 666, 740, 756, 777, 810, 945, 972, 999, 1036, 1110, 1134, 1215, 1260, 1295, 1332, 1554, 1620, 1665, 1701, 1890, 1998, 2220, 2268, 2331, 2430, 2590, 2835, 2997, 3108, 3330, 3402, 3780, 3885, 3996, 4662, 4860, 4995, 5180, 5670, 5994, 6660, 6804, 6993, 7770, 8505, 8991, 9324, 9990, 11340, 11655, 11988, 13986, 14985, 15540, 17010, 17982, 19980, 20979, 23310, 27972, 29970, 34020, 34965, 35964, 41958, 44955, 46620, 59940, 62937, 69930, 83916, 89910, 104895, 125874, 139860, 179820, 209790, 251748, 314685, 419580, 629370, 1258740]

約数ペア:

[(1, 1258740), (2, 629370), (3, 419580), (4, 314685), (5, 251748), (6, 209790), (7, 179820), (9, 139860), (10, 125874), (12, 104895), (14, 89910), (15, 83916), (18, 69930), (20, 62937), (21, 59940), (27, 46620), (28, 44955), (30, 41958), (35, 35964), (36, 34965), (37, 34020), (42, 29970), (45, 27972), (54, 23310), (60, 20979), (63, 19980), (70, 17982), (74, 17010), (81, 15540), (84, 14985), (90, 13986), (105, 11988), (108, 11655), (111, 11340), (126, 9990), (135, 9324), (140, 8991), (148, 8505), (162, 7770), (180, 6993), (185, 6804), (189, 6660), (210, 5994), (222, 5670), (243, 5180), (252, 4995), (259, 4860), (270, 4662), (315, 3996), (324, 3885), (333, 3780), (370, 3402), (378, 3330), (405, 3108), (420, 2997), (444, 2835), (486, 2590), (518, 2430), (540, 2331), (555, 2268), (567, 2220), (630, 1998), (666, 1890), (740, 1701), (756, 1665), (777, 1620), (810, 1554), (945, 1332), (972, 1295), (999, 1260), (1036, 1215), (1110, 1134)]