320331360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 1036860048

約数和(自身を除く): 716528688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 397, 410, 480, 492, 615, 656, 794, 820, 984, 1191, 1230, 1312, 1588, 1640, 1681, 1968, 1985, 2382, 2460, 3176, 3280, 3362, 3936, 3970, 4764, 4920, 5043, 5955, 6352, 6560, 6724, 7940, 8405, 9528, 9840, 10086, 11910, 12704, 13448, 15880, 16277, 16810, 19056, 19680, 20172, 23820, 25215, 26896, 31760, 32554, 33620, 38112, 40344, 47640, 48831, 50430, 53792, 63520, 65108, 67240, 80688, 81385, 95280, 97662, 100860, 130216, 134480, 161376, 162770, 190560, 195324, 201720, 244155, 260432, 268960, 325540, 390648, 403440, 488310, 520864, 651080, 667357, 781296, 806880, 976620, 1302160, 1334714, 1562592, 1953240, 2002071, 2604320, 2669428, 3336785, 3906480, 4004142, 5338856, 6673570, 7812960, 8008284, 10010355, 10677712, 13347140, 16016568, 20020710, 21355424, 26694280, 32033136, 40041420, 53388560, 64066272, 80082840, 106777120, 160165680, 320331360]

約数ペア:

[(1, 320331360), (2, 160165680), (3, 106777120), (4, 80082840), (5, 64066272), (6, 53388560), (8, 40041420), (10, 32033136), (12, 26694280), (15, 21355424), (16, 20020710), (20, 16016568), (24, 13347140), (30, 10677712), (32, 10010355), (40, 8008284), (41, 7812960), (48, 6673570), (60, 5338856), (80, 4004142), (82, 3906480), (96, 3336785), (120, 2669428), (123, 2604320), (160, 2002071), (164, 1953240), (205, 1562592), (240, 1334714), (246, 1302160), (328, 976620), (397, 806880), (410, 781296), (480, 667357), (492, 651080), (615, 520864), (656, 488310), (794, 403440), (820, 390648), (984, 325540), (1191, 268960), (1230, 260432), (1312, 244155), (1588, 201720), (1640, 195324), (1681, 190560), (1968, 162770), (1985, 161376), (2382, 134480), (2460, 130216), (3176, 100860), (3280, 97662), (3362, 95280), (3936, 81385), (3970, 80688), (4764, 67240), (4920, 65108), (5043, 63520), (5955, 53792), (6352, 50430), (6560, 48831), (6724, 47640), (7940, 40344), (8405, 38112), (9528, 33620), (9840, 32554), (10086, 31760), (11910, 26896), (12704, 25215), (13448, 23820), (15880, 20172), (16277, 19680), (16810, 19056)]