649898640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 240

約数和(自身を含む): 2292728256

約数和(自身を除く): 1642829616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 101, 108, 120, 135, 144, 162, 180, 202, 216, 240, 243, 270, 303, 324, 331, 360, 404, 405, 432, 486, 505, 540, 606, 648, 662, 720, 808, 810, 909, 972, 993, 1010, 1080, 1212, 1215, 1296, 1324, 1515, 1616, 1620, 1655, 1818, 1944, 1986, 2020, 2160, 2424, 2430, 2648, 2727, 2979, 3030, 3240, 3310, 3636, 3888, 3972, 4040, 4545, 4848, 4860, 4965, 5296, 5454, 5958, 6060, 6480, 6620, 7272, 7944, 8080, 8181, 8937, 9090, 9720, 9930, 10908, 11916, 12120, 13240, 13635, 14544, 14895, 15888, 16362, 17874, 18180, 19440, 19860, 21816, 23832, 24240, 24543, 26480, 26811, 27270, 29790, 32724, 33431, 35748, 36360, 39720, 40905, 43632, 44685, 47664, 49086, 53622, 54540, 59580, 65448, 66862, 71496, 72720, 79440, 80433, 81810, 89370, 98172, 100293, 107244, 109080, 119160, 122715, 130896, 133724, 134055, 142992, 160866, 163620, 167155, 178740, 196344, 200586, 214488, 218160, 238320, 245430, 267448, 268110, 300879, 321732, 327240, 334310, 357480, 392688, 401172, 402165, 428976, 490860, 501465, 534896, 536220, 601758, 643464, 654480, 668620, 714960, 802344, 804330, 902637, 981720, 1002930, 1072440, 1203516, 1286928, 1337240, 1504395, 1604688, 1608660, 1805274, 1963440, 2005860, 2144880, 2407032, 2674480, 2707911, 3008790, 3217320, 3610548, 4011720, 4513185, 4814064, 5415822, 6017580, 6434640, 7221096, 8023440, 8123733, 9026370, 10831644, 12035160, 13539555, 14442192, 16247466, 18052740, 21663288, 24070320, 27079110, 32494932, 36105480, 40618665, 43326576, 54158220, 64989864, 72210960, 81237330, 108316440, 129979728, 162474660, 216632880, 324949320, 649898640]

約数ペア:

[(1, 649898640), (2, 324949320), (3, 216632880), (4, 162474660), (5, 129979728), (6, 108316440), (8, 81237330), (9, 72210960), (10, 64989864), (12, 54158220), (15, 43326576), (16, 40618665), (18, 36105480), (20, 32494932), (24, 27079110), (27, 24070320), (30, 21663288), (36, 18052740), (40, 16247466), (45, 14442192), (48, 13539555), (54, 12035160), (60, 10831644), (72, 9026370), (80, 8123733), (81, 8023440), (90, 7221096), (101, 6434640), (108, 6017580), (120, 5415822), (135, 4814064), (144, 4513185), (162, 4011720), (180, 3610548), (202, 3217320), (216, 3008790), (240, 2707911), (243, 2674480), (270, 2407032), (303, 2144880), (324, 2005860), (331, 1963440), (360, 1805274), (404, 1608660), (405, 1604688), (432, 1504395), (486, 1337240), (505, 1286928), (540, 1203516), (606, 1072440), (648, 1002930), (662, 981720), (720, 902637), (808, 804330), (810, 802344), (909, 714960), (972, 668620), (993, 654480), (1010, 643464), (1080, 601758), (1212, 536220), (1215, 534896), (1296, 501465), (1324, 490860), (1515, 428976), (1616, 402165), (1620, 401172), (1655, 392688), (1818, 357480), (1944, 334310), (1986, 327240), (2020, 321732), (2160, 300879), (2424, 268110), (2430, 267448), (2648, 245430), (2727, 238320), (2979, 218160), (3030, 214488), (3240, 200586), (3310, 196344), (3636, 178740), (3888, 167155), (3972, 163620), (4040, 160866), (4545, 142992), (4848, 134055), (4860, 133724), (4965, 130896), (5296, 122715), (5454, 119160), (5958, 109080), (6060, 107244), (6480, 100293), (6620, 98172), (7272, 89370), (7944, 81810), (8080, 80433), (8181, 79440), (8937, 72720), (9090, 71496), (9720, 66862), (9930, 65448), (10908, 59580), (11916, 54540), (12120, 53622), (13240, 49086), (13635, 47664), (14544, 44685), (14895, 43632), (15888, 40905), (16362, 39720), (17874, 36360), (18180, 35748), (19440, 33431), (19860, 32724), (21816, 29790), (23832, 27270), (24240, 26811), (24543, 26480)]