196515720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:617

約数の個数: 160

約数和(自身を含む): 666990720

約数和(自身を除く): 470475000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 131, 135, 162, 180, 216, 262, 270, 324, 360, 393, 405, 463, 524, 540, 648, 655, 786, 810, 926, 1048, 1080, 1179, 1310, 1389, 1572, 1620, 1852, 1965, 2315, 2358, 2620, 2778, 3144, 3240, 3537, 3704, 3930, 4167, 4630, 4716, 5240, 5556, 5895, 6945, 7074, 7860, 8334, 9260, 9432, 10611, 11112, 11790, 12501, 13890, 14148, 15720, 16668, 17685, 18520, 20835, 21222, 23580, 25002, 27780, 28296, 33336, 35370, 37503, 41670, 42444, 47160, 50004, 53055, 55560, 60653, 62505, 70740, 75006, 83340, 84888, 100008, 106110, 121306, 125010, 141480, 150012, 166680, 181959, 187515, 212220, 242612, 250020, 300024, 303265, 363918, 375030, 424440, 485224, 500040, 545877, 606530, 727836, 750060, 909795, 1091754, 1213060, 1455672, 1500120, 1637631, 1819590, 2183508, 2426120, 2729385, 3275262, 3639180, 4367016, 4912893, 5458770, 6550524, 7278360, 8188155, 9825786, 10917540, 13101048, 16376310, 19651572, 21835080, 24564465, 32752620, 39303144, 49128930, 65505240, 98257860, 196515720]

約数ペア:

[(1, 196515720), (2, 98257860), (3, 65505240), (4, 49128930), (5, 39303144), (6, 32752620), (8, 24564465), (9, 21835080), (10, 19651572), (12, 16376310), (15, 13101048), (18, 10917540), (20, 9825786), (24, 8188155), (27, 7278360), (30, 6550524), (36, 5458770), (40, 4912893), (45, 4367016), (54, 3639180), (60, 3275262), (72, 2729385), (81, 2426120), (90, 2183508), (108, 1819590), (120, 1637631), (131, 1500120), (135, 1455672), (162, 1213060), (180, 1091754), (216, 909795), (262, 750060), (270, 727836), (324, 606530), (360, 545877), (393, 500040), (405, 485224), (463, 424440), (524, 375030), (540, 363918), (648, 303265), (655, 300024), (786, 250020), (810, 242612), (926, 212220), (1048, 187515), (1080, 181959), (1179, 166680), (1310, 150012), (1389, 141480), (1572, 125010), (1620, 121306), (1852, 106110), (1965, 100008), (2315, 84888), (2358, 83340), (2620, 75006), (2778, 70740), (3144, 62505), (3240, 60653), (3537, 55560), (3704, 53055), (3930, 50004), (4167, 47160), (4630, 42444), (4716, 41670), (5240, 37503), (5556, 35370), (5895, 33336), (6945, 28296), (7074, 27780), (7860, 25002), (8334, 23580), (9260, 21222), (9432, 20835), (10611, 18520), (11112, 17685), (11790, 16668), (12501, 15720), (13890, 14148)]