331694720

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{1511}}^1$

素因数の和:1551

約数の個数: 128

約数和(自身を含む): 925344000

約数和(自身を除く): 593649280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1511, 1568, 1715, 1960, 2240, 2744, 3022, 3136, 3430, 3920, 4480, 5488, 6044, 6272, 6860, 7555, 7840, 10577, 10976, 12088, 13720, 15110, 15680, 21154, 21952, 24176, 27440, 30220, 31360, 42308, 43904, 48352, 52885, 54880, 60440, 74039, 84616, 96704, 105770, 109760, 120880, 148078, 169232, 193408, 211540, 219520, 241760, 296156, 338464, 370195, 423080, 483520, 518273, 592312, 676928, 740390, 846160, 967040, 1036546, 1184624, 1353856, 1480780, 1692320, 2073092, 2369248, 2591365, 2961560, 3384640, 4146184, 4738496, 5182730, 5923120, 6769280, 8292368, 9476992, 10365460, 11846240, 16584736, 20730920, 23692480, 33169472, 41461840, 47384960, 66338944, 82923680, 165847360, 331694720]

約数ペア:

[(1, 331694720), (2, 165847360), (4, 82923680), (5, 66338944), (7, 47384960), (8, 41461840), (10, 33169472), (14, 23692480), (16, 20730920), (20, 16584736), (28, 11846240), (32, 10365460), (35, 9476992), (40, 8292368), (49, 6769280), (56, 5923120), (64, 5182730), (70, 4738496), (80, 4146184), (98, 3384640), (112, 2961560), (128, 2591365), (140, 2369248), (160, 2073092), (196, 1692320), (224, 1480780), (245, 1353856), (280, 1184624), (320, 1036546), (343, 967040), (392, 846160), (448, 740390), (490, 676928), (560, 592312), (640, 518273), (686, 483520), (784, 423080), (896, 370195), (980, 338464), (1120, 296156), (1372, 241760), (1511, 219520), (1568, 211540), (1715, 193408), (1960, 169232), (2240, 148078), (2744, 120880), (3022, 109760), (3136, 105770), (3430, 96704), (3920, 84616), (4480, 74039), (5488, 60440), (6044, 54880), (6272, 52885), (6860, 48352), (7555, 43904), (7840, 42308), (10577, 31360), (10976, 30220), (12088, 27440), (13720, 24176), (15110, 21952), (15680, 21154)]