21032868960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{33889}}^1$

素因数の和:34341

約数の個数: 144

約数和(自身を含む): 71943318720

約数和(自身を除く): 50910449760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 431, 480, 720, 862, 1293, 1440, 1724, 2155, 2586, 3448, 3879, 4310, 5172, 6465, 6896, 7758, 8620, 10344, 12930, 13792, 15516, 17240, 19395, 20688, 25860, 31032, 33889, 34480, 38790, 41376, 51720, 62064, 67778, 68960, 77580, 101667, 103440, 124128, 135556, 155160, 169445, 203334, 206880, 271112, 305001, 310320, 338890, 406668, 508335, 542224, 610002, 620640, 677780, 813336, 1016670, 1084448, 1220004, 1355560, 1525005, 1626672, 2033340, 2440008, 2711120, 3050010, 3253344, 4066680, 4880016, 5422240, 6100020, 8133360, 9760032, 12200040, 14606159, 16266720, 24400080, 29212318, 43818477, 48800160, 58424636, 73030795, 87636954, 116849272, 131455431, 146061590, 175273908, 219092385, 233698544, 262910862, 292123180, 350547816, 438184770, 467397088, 525821724, 584246360, 657277155, 701095632, 876369540, 1051643448, 1168492720, 1314554310, 1402191264, 1752739080, 2103286896, 2336985440, 2629108620, 3505478160, 4206573792, 5258217240, 7010956320, 10516434480, 21032868960]

約数ペア:

[(1, 21032868960), (2, 10516434480), (3, 7010956320), (4, 5258217240), (5, 4206573792), (6, 3505478160), (8, 2629108620), (9, 2336985440), (10, 2103286896), (12, 1752739080), (15, 1402191264), (16, 1314554310), (18, 1168492720), (20, 1051643448), (24, 876369540), (30, 701095632), (32, 657277155), (36, 584246360), (40, 525821724), (45, 467397088), (48, 438184770), (60, 350547816), (72, 292123180), (80, 262910862), (90, 233698544), (96, 219092385), (120, 175273908), (144, 146061590), (160, 131455431), (180, 116849272), (240, 87636954), (288, 73030795), (360, 58424636), (431, 48800160), (480, 43818477), (720, 29212318), (862, 24400080), (1293, 16266720), (1440, 14606159), (1724, 12200040), (2155, 9760032), (2586, 8133360), (3448, 6100020), (3879, 5422240), (4310, 4880016), (5172, 4066680), (6465, 3253344), (6896, 3050010), (7758, 2711120), (8620, 2440008), (10344, 2033340), (12930, 1626672), (13792, 1525005), (15516, 1355560), (17240, 1220004), (19395, 1084448), (20688, 1016670), (25860, 813336), (31032, 677780), (33889, 620640), (34480, 610002), (38790, 542224), (41376, 508335), (51720, 406668), (62064, 338890), (67778, 310320), (68960, 305001), (77580, 271112), (101667, 206880), (103440, 203334), (124128, 169445), (135556, 155160)]