128605320

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 441080640

約数和(自身を除く): 312475320

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, 101, 108, 120, 131, 135, 162, 180, 202, 216, 243, 262, 270, 303, 324, 360, 393, 404, 405, 486, 505, 524, 540, 606, 648, 655, 786, 808, 810, 909, 972, 1010, 1048, 1080, 1179, 1212, 1215, 1310, 1515, 1572, 1620, 1818, 1944, 1965, 2020, 2358, 2424, 2430, 2620, 2727, 3030, 3144, 3240, 3537, 3636, 3930, 4040, 4545, 4716, 4860, 5240, 5454, 5895, 6060, 7074, 7272, 7860, 8181, 9090, 9432, 9720, 10611, 10908, 11790, 12120, 13231, 13635, 14148, 15720, 16362, 17685, 18180, 21222, 21816, 23580, 24543, 26462, 27270, 28296, 31833, 32724, 35370, 36360, 39693, 40905, 42444, 47160, 49086, 52924, 53055, 54540, 63666, 65448, 66155, 70740, 79386, 81810, 84888, 98172, 105848, 106110, 109080, 119079, 122715, 127332, 132310, 141480, 158772, 159165, 163620, 196344, 198465, 212220, 238158, 245430, 254664, 264620, 317544, 318330, 327240, 357237, 396930, 424440, 476316, 490860, 529240, 595395, 636660, 714474, 793860, 952632, 981720, 1071711, 1190790, 1273320, 1428948, 1587720, 1786185, 2143422, 2381580, 2857896, 3215133, 3572370, 4286844, 4763160, 5358555, 6430266, 7144740, 8573688, 10717110, 12860532, 14289480, 16075665, 21434220, 25721064, 32151330, 42868440, 64302660, 128605320]

約数ペア:

[(1, 128605320), (2, 64302660), (3, 42868440), (4, 32151330), (5, 25721064), (6, 21434220), (8, 16075665), (9, 14289480), (10, 12860532), (12, 10717110), (15, 8573688), (18, 7144740), (20, 6430266), (24, 5358555), (27, 4763160), (30, 4286844), (36, 3572370), (40, 3215133), (45, 2857896), (54, 2381580), (60, 2143422), (72, 1786185), (81, 1587720), (90, 1428948), (101, 1273320), (108, 1190790), (120, 1071711), (131, 981720), (135, 952632), (162, 793860), (180, 714474), (202, 636660), (216, 595395), (243, 529240), (262, 490860), (270, 476316), (303, 424440), (324, 396930), (360, 357237), (393, 327240), (404, 318330), (405, 317544), (486, 264620), (505, 254664), (524, 245430), (540, 238158), (606, 212220), (648, 198465), (655, 196344), (786, 163620), (808, 159165), (810, 158772), (909, 141480), (972, 132310), (1010, 127332), (1048, 122715), (1080, 119079), (1179, 109080), (1212, 106110), (1215, 105848), (1310, 98172), (1515, 84888), (1572, 81810), (1620, 79386), (1818, 70740), (1944, 66155), (1965, 65448), (2020, 63666), (2358, 54540), (2424, 53055), (2430, 52924), (2620, 49086), (2727, 47160), (3030, 42444), (3144, 40905), (3240, 39693), (3537, 36360), (3636, 35370), (3930, 32724), (4040, 31833), (4545, 28296), (4716, 27270), (4860, 26462), (5240, 24543), (5454, 23580), (5895, 21816), (6060, 21222), (7074, 18180), (7272, 17685), (7860, 16362), (8181, 15720), (9090, 14148), (9432, 13635), (9720, 13231), (10611, 12120), (10908, 11790)]