31238880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:600

約数の個数: 96

約数和(自身を含む): 99283968

約数和(自身を除く): 68045088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 151, 160, 240, 302, 431, 453, 480, 604, 755, 862, 906, 1208, 1293, 1510, 1724, 1812, 2155, 2265, 2416, 2586, 3020, 3448, 3624, 4310, 4530, 4832, 5172, 6040, 6465, 6896, 7248, 8620, 9060, 10344, 12080, 12930, 13792, 14496, 17240, 18120, 20688, 24160, 25860, 34480, 36240, 41376, 51720, 65081, 68960, 72480, 103440, 130162, 195243, 206880, 260324, 325405, 390486, 520648, 650810, 780972, 976215, 1041296, 1301620, 1561944, 1952430, 2082592, 2603240, 3123888, 3904860, 5206480, 6247776, 7809720, 10412960, 15619440, 31238880]

約数ペア:

[(1, 31238880), (2, 15619440), (3, 10412960), (4, 7809720), (5, 6247776), (6, 5206480), (8, 3904860), (10, 3123888), (12, 2603240), (15, 2082592), (16, 1952430), (20, 1561944), (24, 1301620), (30, 1041296), (32, 976215), (40, 780972), (48, 650810), (60, 520648), (80, 390486), (96, 325405), (120, 260324), (151, 206880), (160, 195243), (240, 130162), (302, 103440), (431, 72480), (453, 68960), (480, 65081), (604, 51720), (755, 41376), (862, 36240), (906, 34480), (1208, 25860), (1293, 24160), (1510, 20688), (1724, 18120), (1812, 17240), (2155, 14496), (2265, 13792), (2416, 12930), (2586, 12080), (3020, 10344), (3448, 9060), (3624, 8620), (4310, 7248), (4530, 6896), (4832, 6465), (5172, 6040)]