88875540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 144

約数和(自身を含む): 305760000

約数和(自身を除く): 216884460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 1999, 2223, 2340, 2470, 2964, 3420, 3705, 3998, 4446, 4940, 5997, 7410, 7996, 8892, 9995, 11115, 11994, 14820, 17991, 19990, 22230, 23988, 25987, 29985, 35982, 37981, 39980, 44460, 51974, 59970, 71964, 75962, 77961, 89955, 103948, 113943, 119940, 129935, 151924, 155922, 179910, 189905, 227886, 233883, 259870, 311844, 341829, 359820, 379810, 389805, 455772, 467766, 493753, 519740, 569715, 683658, 759620, 779610, 935532, 987506, 1139430, 1169415, 1367316, 1481259, 1559220, 1709145, 1975012, 2278860, 2338830, 2468765, 2962518, 3418290, 4443777, 4677660, 4937530, 5925036, 6836580, 7406295, 8887554, 9875060, 14812590, 17775108, 22218885, 29625180, 44437770, 88875540]

約数ペア:

[(1, 88875540), (2, 44437770), (3, 29625180), (4, 22218885), (5, 17775108), (6, 14812590), (9, 9875060), (10, 8887554), (12, 7406295), (13, 6836580), (15, 5925036), (18, 4937530), (19, 4677660), (20, 4443777), (26, 3418290), (30, 2962518), (36, 2468765), (38, 2338830), (39, 2278860), (45, 1975012), (52, 1709145), (57, 1559220), (60, 1481259), (65, 1367316), (76, 1169415), (78, 1139430), (90, 987506), (95, 935532), (114, 779610), (117, 759620), (130, 683658), (156, 569715), (171, 519740), (180, 493753), (190, 467766), (195, 455772), (228, 389805), (234, 379810), (247, 359820), (260, 341829), (285, 311844), (342, 259870), (380, 233883), (390, 227886), (468, 189905), (494, 179910), (570, 155922), (585, 151924), (684, 129935), (741, 119940), (780, 113943), (855, 103948), (988, 89955), (1140, 77961), (1170, 75962), (1235, 71964), (1482, 59970), (1710, 51974), (1999, 44460), (2223, 39980), (2340, 37981), (2470, 35982), (2964, 29985), (3420, 25987), (3705, 23988), (3998, 22230), (4446, 19990), (4940, 17991), (5997, 14820), (7410, 11994), (7996, 11115), (8892, 9995)]