28997640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 110972160

約数和(自身を除く): 81974520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 252, 259, 280, 296, 311, 315, 333, 360, 370, 420, 444, 504, 518, 555, 622, 630, 666, 740, 777, 840, 888, 933, 1036, 1110, 1244, 1260, 1295, 1332, 1480, 1554, 1555, 1665, 1866, 2072, 2177, 2220, 2331, 2488, 2520, 2590, 2664, 2799, 3108, 3110, 3330, 3732, 3885, 4354, 4440, 4662, 4665, 5180, 5598, 6216, 6220, 6531, 6660, 7464, 7770, 8708, 9324, 9330, 10360, 10885, 11196, 11507, 11655, 12440, 13062, 13320, 13995, 15540, 17416, 18648, 18660, 19593, 21770, 22392, 23014, 23310, 26124, 27990, 31080, 32655, 34521, 37320, 39186, 43540, 46028, 46620, 52248, 55980, 57535, 65310, 69042, 78372, 80549, 87080, 92056, 93240, 97965, 103563, 111960, 115070, 130620, 138084, 156744, 161098, 172605, 195930, 207126, 230140, 241647, 261240, 276168, 322196, 345210, 391860, 402745, 414252, 460280, 483294, 517815, 644392, 690420, 724941, 783720, 805490, 828504, 966588, 1035630, 1208235, 1380840, 1449882, 1610980, 1933176, 2071260, 2416470, 2899764, 3221960, 3624705, 4142520, 4832940, 5799528, 7249410, 9665880, 14498820, 28997640]

約数ペア:

[(1, 28997640), (2, 14498820), (3, 9665880), (4, 7249410), (5, 5799528), (6, 4832940), (7, 4142520), (8, 3624705), (9, 3221960), (10, 2899764), (12, 2416470), (14, 2071260), (15, 1933176), (18, 1610980), (20, 1449882), (21, 1380840), (24, 1208235), (28, 1035630), (30, 966588), (35, 828504), (36, 805490), (37, 783720), (40, 724941), (42, 690420), (45, 644392), (56, 517815), (60, 483294), (63, 460280), (70, 414252), (72, 402745), (74, 391860), (84, 345210), (90, 322196), (105, 276168), (111, 261240), (120, 241647), (126, 230140), (140, 207126), (148, 195930), (168, 172605), (180, 161098), (185, 156744), (210, 138084), (222, 130620), (252, 115070), (259, 111960), (280, 103563), (296, 97965), (311, 93240), (315, 92056), (333, 87080), (360, 80549), (370, 78372), (420, 69042), (444, 65310), (504, 57535), (518, 55980), (555, 52248), (622, 46620), (630, 46028), (666, 43540), (740, 39186), (777, 37320), (840, 34521), (888, 32655), (933, 31080), (1036, 27990), (1110, 26124), (1244, 23310), (1260, 23014), (1295, 22392), (1332, 21770), (1480, 19593), (1554, 18660), (1555, 18648), (1665, 17416), (1866, 15540), (2072, 13995), (2177, 13320), (2220, 13062), (2331, 12440), (2488, 11655), (2520, 11507), (2590, 11196), (2664, 10885), (2799, 10360), (3108, 9330), (3110, 9324), (3330, 8708), (3732, 7770), (3885, 7464), (4354, 6660), (4440, 6531), (4662, 6220), (4665, 6216), (5180, 5598)]