320437620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1131

約数の個数: 120

約数和(自身を含む): 1010870784

約数和(自身を除く): 690433164

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, 223, 270, 324, 405, 446, 540, 669, 810, 887, 892, 1115, 1338, 1620, 1774, 2007, 2230, 2661, 2676, 3345, 3548, 4014, 4435, 4460, 5322, 6021, 6690, 7983, 8028, 8870, 10035, 10644, 12042, 13305, 13380, 15966, 17740, 18063, 20070, 23949, 24084, 26610, 30105, 31932, 36126, 39915, 40140, 47898, 53220, 60210, 71847, 72252, 79830, 90315, 95796, 119745, 120420, 143694, 159660, 180630, 197801, 239490, 287388, 359235, 361260, 395602, 478980, 593403, 718470, 791204, 989005, 1186806, 1436940, 1780209, 1978010, 2373612, 2967015, 3560418, 3956020, 5340627, 5934030, 7120836, 8901045, 10681254, 11868060, 16021881, 17802090, 21362508, 26703135, 32043762, 35604180, 53406270, 64087524, 80109405, 106812540, 160218810, 320437620]

約数ペア:

[(1, 320437620), (2, 160218810), (3, 106812540), (4, 80109405), (5, 64087524), (6, 53406270), (9, 35604180), (10, 32043762), (12, 26703135), (15, 21362508), (18, 17802090), (20, 16021881), (27, 11868060), (30, 10681254), (36, 8901045), (45, 7120836), (54, 5934030), (60, 5340627), (81, 3956020), (90, 3560418), (108, 2967015), (135, 2373612), (162, 1978010), (180, 1780209), (223, 1436940), (270, 1186806), (324, 989005), (405, 791204), (446, 718470), (540, 593403), (669, 478980), (810, 395602), (887, 361260), (892, 359235), (1115, 287388), (1338, 239490), (1620, 197801), (1774, 180630), (2007, 159660), (2230, 143694), (2661, 120420), (2676, 119745), (3345, 95796), (3548, 90315), (4014, 79830), (4435, 72252), (4460, 71847), (5322, 60210), (6021, 53220), (6690, 47898), (7983, 40140), (8028, 39915), (8870, 36126), (10035, 31932), (10644, 30105), (12042, 26610), (13305, 24084), (13380, 23949), (15966, 20070), (17740, 18063)]