221416740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1624

約数の個数: 144

約数和(自身を含む): 720982080

約数和(自身を除く): 499565340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 243, 261, 270, 290, 324, 348, 405, 435, 486, 522, 540, 580, 783, 810, 870, 972, 1044, 1215, 1305, 1566, 1571, 1620, 1740, 2349, 2430, 2610, 3132, 3142, 3915, 4698, 4713, 4860, 5220, 6284, 7047, 7830, 7855, 9396, 9426, 11745, 14094, 14139, 15660, 15710, 18852, 23490, 23565, 28188, 28278, 31420, 35235, 42417, 45559, 46980, 47130, 56556, 70470, 70695, 84834, 91118, 94260, 127251, 136677, 140940, 141390, 169668, 182236, 212085, 227795, 254502, 273354, 282780, 381753, 410031, 424170, 455590, 509004, 546708, 636255, 683385, 763506, 820062, 848340, 911180, 1230093, 1272510, 1366770, 1527012, 1640124, 1908765, 2050155, 2460186, 2545020, 2733540, 3690279, 3817530, 4100310, 4920372, 6150465, 7380558, 7635060, 8200620, 11070837, 12300930, 14761116, 18451395, 22141674, 24601860, 36902790, 44283348, 55354185, 73805580, 110708370, 221416740]

約数ペア:

[(1, 221416740), (2, 110708370), (3, 73805580), (4, 55354185), (5, 44283348), (6, 36902790), (9, 24601860), (10, 22141674), (12, 18451395), (15, 14761116), (18, 12300930), (20, 11070837), (27, 8200620), (29, 7635060), (30, 7380558), (36, 6150465), (45, 4920372), (54, 4100310), (58, 3817530), (60, 3690279), (81, 2733540), (87, 2545020), (90, 2460186), (108, 2050155), (116, 1908765), (135, 1640124), (145, 1527012), (162, 1366770), (174, 1272510), (180, 1230093), (243, 911180), (261, 848340), (270, 820062), (290, 763506), (324, 683385), (348, 636255), (405, 546708), (435, 509004), (486, 455590), (522, 424170), (540, 410031), (580, 381753), (783, 282780), (810, 273354), (870, 254502), (972, 227795), (1044, 212085), (1215, 182236), (1305, 169668), (1566, 141390), (1571, 140940), (1620, 136677), (1740, 127251), (2349, 94260), (2430, 91118), (2610, 84834), (3132, 70695), (3142, 70470), (3915, 56556), (4698, 47130), (4713, 46980), (4860, 45559), (5220, 42417), (6284, 35235), (7047, 31420), (7830, 28278), (7855, 28188), (9396, 23565), (9426, 23490), (11745, 18852), (14094, 15710), (14139, 15660)]