420284760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{10211}}^1$

素因数の和:10246

約数の個数: 128

約数和(自身を含む): 1470528000

約数和(自身を除く): 1050243240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 10211, 10290, 13720, 20422, 20580, 30633, 40844, 41160, 51055, 61266, 71477, 81688, 102110, 122532, 142954, 153165, 204220, 214431, 245064, 285908, 306330, 357385, 408440, 428862, 500339, 571816, 612660, 714770, 857724, 1000678, 1072155, 1225320, 1429540, 1501017, 1715448, 2001356, 2144310, 2501695, 2859080, 3002034, 3502373, 4002712, 4288620, 5003390, 6004068, 7004746, 7505085, 8577240, 10006780, 10507119, 12008136, 14009492, 15010170, 17511865, 20013560, 21014238, 28018984, 30020340, 35023730, 42028476, 52535595, 60040680, 70047460, 84056952, 105071190, 140094920, 210142380, 420284760]

約数ペア:

[(1, 420284760), (2, 210142380), (3, 140094920), (4, 105071190), (5, 84056952), (6, 70047460), (7, 60040680), (8, 52535595), (10, 42028476), (12, 35023730), (14, 30020340), (15, 28018984), (20, 21014238), (21, 20013560), (24, 17511865), (28, 15010170), (30, 14009492), (35, 12008136), (40, 10507119), (42, 10006780), (49, 8577240), (56, 7505085), (60, 7004746), (70, 6004068), (84, 5003390), (98, 4288620), (105, 4002712), (120, 3502373), (140, 3002034), (147, 2859080), (168, 2501695), (196, 2144310), (210, 2001356), (245, 1715448), (280, 1501017), (294, 1429540), (343, 1225320), (392, 1072155), (420, 1000678), (490, 857724), (588, 714770), (686, 612660), (735, 571816), (840, 500339), (980, 428862), (1029, 408440), (1176, 357385), (1372, 306330), (1470, 285908), (1715, 245064), (1960, 214431), (2058, 204220), (2744, 153165), (2940, 142954), (3430, 122532), (4116, 102110), (5145, 81688), (5880, 71477), (6860, 61266), (8232, 51055), (10211, 41160), (10290, 40844), (13720, 30633), (20422, 20580)]