128541240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 436700160

約数和(自身を除く): 308158920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 71, 72, 90, 94, 107, 120, 141, 142, 180, 188, 213, 214, 235, 282, 284, 321, 355, 360, 376, 423, 426, 428, 470, 535, 564, 568, 639, 642, 705, 710, 846, 852, 856, 940, 963, 1065, 1070, 1128, 1278, 1284, 1410, 1420, 1605, 1692, 1704, 1880, 1926, 2115, 2130, 2140, 2556, 2568, 2820, 2840, 3195, 3210, 3337, 3384, 3852, 4230, 4260, 4280, 4815, 5029, 5112, 5640, 6390, 6420, 6674, 7597, 7704, 8460, 8520, 9630, 10011, 10058, 12780, 12840, 13348, 15087, 15194, 16685, 16920, 19260, 20022, 20116, 22791, 25145, 25560, 26696, 30033, 30174, 30388, 33370, 37985, 38520, 40044, 40232, 45261, 45582, 50055, 50290, 60066, 60348, 60776, 66740, 68373, 75435, 75970, 80088, 90522, 91164, 100110, 100580, 113955, 120132, 120696, 133480, 136746, 150165, 150870, 151940, 181044, 182328, 200220, 201160, 226305, 227910, 240264, 273492, 300330, 301740, 303880, 341865, 357059, 362088, 400440, 452610, 455820, 546984, 600660, 603480, 683730, 714118, 905220, 911640, 1071177, 1201320, 1367460, 1428236, 1785295, 1810440, 2142354, 2734920, 2856472, 3213531, 3570590, 4284708, 5355885, 6427062, 7141180, 8569416, 10711770, 12854124, 14282360, 16067655, 21423540, 25708248, 32135310, 42847080, 64270620, 128541240]

約数ペア:

[(1, 128541240), (2, 64270620), (3, 42847080), (4, 32135310), (5, 25708248), (6, 21423540), (8, 16067655), (9, 14282360), (10, 12854124), (12, 10711770), (15, 8569416), (18, 7141180), (20, 6427062), (24, 5355885), (30, 4284708), (36, 3570590), (40, 3213531), (45, 2856472), (47, 2734920), (60, 2142354), (71, 1810440), (72, 1785295), (90, 1428236), (94, 1367460), (107, 1201320), (120, 1071177), (141, 911640), (142, 905220), (180, 714118), (188, 683730), (213, 603480), (214, 600660), (235, 546984), (282, 455820), (284, 452610), (321, 400440), (355, 362088), (360, 357059), (376, 341865), (423, 303880), (426, 301740), (428, 300330), (470, 273492), (535, 240264), (564, 227910), (568, 226305), (639, 201160), (642, 200220), (705, 182328), (710, 181044), (846, 151940), (852, 150870), (856, 150165), (940, 136746), (963, 133480), (1065, 120696), (1070, 120132), (1128, 113955), (1278, 100580), (1284, 100110), (1410, 91164), (1420, 90522), (1605, 80088), (1692, 75970), (1704, 75435), (1880, 68373), (1926, 66740), (2115, 60776), (2130, 60348), (2140, 60066), (2556, 50290), (2568, 50055), (2820, 45582), (2840, 45261), (3195, 40232), (3210, 40044), (3337, 38520), (3384, 37985), (3852, 33370), (4230, 30388), (4260, 30174), (4280, 30033), (4815, 26696), (5029, 25560), (5112, 25145), (5640, 22791), (6390, 20116), (6420, 20022), (6674, 19260), (7597, 16920), (7704, 16685), (8460, 15194), (8520, 15087), (9630, 13348), (10011, 12840), (10058, 12780)]