991409220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1087}}^1$

素因数の和:1671

約数の個数: 120

約数和(自身を含む): 3118477824

約数和(自身を除く): 2127068604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 563, 810, 1087, 1126, 1620, 1689, 2174, 2252, 2815, 3261, 3378, 4348, 5067, 5435, 5630, 6522, 6756, 8445, 9783, 10134, 10870, 11260, 13044, 15201, 16305, 16890, 19566, 20268, 21740, 25335, 29349, 30402, 32610, 33780, 39132, 45603, 48915, 50670, 58698, 60804, 65220, 76005, 88047, 91206, 97830, 101340, 117396, 146745, 152010, 176094, 182412, 195660, 228015, 293490, 304020, 352188, 440235, 456030, 586980, 611981, 880470, 912060, 1223962, 1760940, 1835943, 2447924, 3059905, 3671886, 5507829, 6119810, 7343772, 9179715, 11015658, 12239620, 16523487, 18359430, 22031316, 27539145, 33046974, 36718860, 49570461, 55078290, 66093948, 82617435, 99140922, 110156580, 165234870, 198281844, 247852305, 330469740, 495704610, 991409220]

約数ペア:

[(1, 991409220), (2, 495704610), (3, 330469740), (4, 247852305), (5, 198281844), (6, 165234870), (9, 110156580), (10, 99140922), (12, 82617435), (15, 66093948), (18, 55078290), (20, 49570461), (27, 36718860), (30, 33046974), (36, 27539145), (45, 22031316), (54, 18359430), (60, 16523487), (81, 12239620), (90, 11015658), (108, 9179715), (135, 7343772), (162, 6119810), (180, 5507829), (270, 3671886), (324, 3059905), (405, 2447924), (540, 1835943), (563, 1760940), (810, 1223962), (1087, 912060), (1126, 880470), (1620, 611981), (1689, 586980), (2174, 456030), (2252, 440235), (2815, 352188), (3261, 304020), (3378, 293490), (4348, 228015), (5067, 195660), (5435, 182412), (5630, 176094), (6522, 152010), (6756, 146745), (8445, 117396), (9783, 101340), (10134, 97830), (10870, 91206), (11260, 88047), (13044, 76005), (15201, 65220), (16305, 60804), (16890, 58698), (19566, 50670), (20268, 48915), (21740, 45603), (25335, 39132), (29349, 33780), (30402, 32610)]