313831560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21977}}^1$

素因数の和:22015

約数の個数: 128

約数和(自身を含む): 1139339520

約数和(自身を除く): 825507960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 21977, 43954, 65931, 87908, 109885, 131862, 153839, 175816, 219770, 263724, 307678, 329655, 373609, 439540, 461517, 527448, 615356, 659310, 747218, 769195, 879080, 923034, 1120827, 1230712, 1318620, 1494436, 1538390, 1846068, 1868045, 2241654, 2307585, 2615263, 2637240, 2988872, 3076780, 3692136, 3736090, 4483308, 4615170, 5230526, 5604135, 6153560, 7472180, 7845789, 8966616, 9230340, 10461052, 11208270, 13076315, 14944360, 15691578, 18460680, 20922104, 22416540, 26152630, 31383156, 39228945, 44833080, 52305260, 62766312, 78457890, 104610520, 156915780, 313831560]

約数ペア:

[(1, 313831560), (2, 156915780), (3, 104610520), (4, 78457890), (5, 62766312), (6, 52305260), (7, 44833080), (8, 39228945), (10, 31383156), (12, 26152630), (14, 22416540), (15, 20922104), (17, 18460680), (20, 15691578), (21, 14944360), (24, 13076315), (28, 11208270), (30, 10461052), (34, 9230340), (35, 8966616), (40, 7845789), (42, 7472180), (51, 6153560), (56, 5604135), (60, 5230526), (68, 4615170), (70, 4483308), (84, 3736090), (85, 3692136), (102, 3076780), (105, 2988872), (119, 2637240), (120, 2615263), (136, 2307585), (140, 2241654), (168, 1868045), (170, 1846068), (204, 1538390), (210, 1494436), (238, 1318620), (255, 1230712), (280, 1120827), (340, 923034), (357, 879080), (408, 769195), (420, 747218), (476, 659310), (510, 615356), (595, 527448), (680, 461517), (714, 439540), (840, 373609), (952, 329655), (1020, 307678), (1190, 263724), (1428, 219770), (1785, 175816), (2040, 153839), (2380, 131862), (2856, 109885), (3570, 87908), (4760, 65931), (7140, 43954), (14280, 21977)]