245973240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11987}}^1$

素因数の和:12026

約数の個数: 128

約数和(自身を含む): 863136000

約数和(自身を除く): 617162760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 11987, 20520, 23974, 35961, 47948, 59935, 71922, 95896, 107883, 119870, 143844, 179805, 215766, 227753, 239740, 287688, 323649, 359610, 431532, 455506, 479480, 539415, 647298, 683259, 719220, 863064, 911012, 1078830, 1138765, 1294596, 1366518, 1438440, 1618245, 1822024, 2049777, 2157660, 2277530, 2589192, 2733036, 3236490, 3416295, 4099554, 4315320, 4555060, 5466072, 6149331, 6472980, 6832590, 8199108, 9110120, 10248885, 12298662, 12945960, 13665180, 16398216, 20497770, 24597324, 27330360, 30746655, 40995540, 49194648, 61493310, 81991080, 122986620, 245973240]

約数ペア:

[(1, 245973240), (2, 122986620), (3, 81991080), (4, 61493310), (5, 49194648), (6, 40995540), (8, 30746655), (9, 27330360), (10, 24597324), (12, 20497770), (15, 16398216), (18, 13665180), (19, 12945960), (20, 12298662), (24, 10248885), (27, 9110120), (30, 8199108), (36, 6832590), (38, 6472980), (40, 6149331), (45, 5466072), (54, 4555060), (57, 4315320), (60, 4099554), (72, 3416295), (76, 3236490), (90, 2733036), (95, 2589192), (108, 2277530), (114, 2157660), (120, 2049777), (135, 1822024), (152, 1618245), (171, 1438440), (180, 1366518), (190, 1294596), (216, 1138765), (228, 1078830), (270, 911012), (285, 863064), (342, 719220), (360, 683259), (380, 647298), (456, 539415), (513, 479480), (540, 455506), (570, 431532), (684, 359610), (760, 323649), (855, 287688), (1026, 239740), (1080, 227753), (1140, 215766), (1368, 179805), (1710, 143844), (2052, 119870), (2280, 107883), (2565, 95896), (3420, 71922), (4104, 59935), (5130, 47948), (6840, 35961), (10260, 23974), (11987, 20520)]