28811160

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 256

約数和(自身を含む): 113817600

約数和(自身を除く): 85006440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 37, 40, 42, 45, 54, 56, 60, 63, 70, 72, 74, 84, 90, 103, 105, 108, 111, 120, 126, 135, 140, 148, 168, 180, 185, 189, 206, 210, 216, 222, 252, 259, 270, 280, 296, 309, 315, 333, 360, 370, 378, 412, 420, 444, 504, 515, 518, 540, 555, 618, 630, 666, 721, 740, 756, 777, 824, 840, 888, 927, 945, 999, 1030, 1036, 1080, 1110, 1236, 1260, 1295, 1332, 1442, 1480, 1512, 1545, 1554, 1665, 1854, 1890, 1998, 2060, 2072, 2163, 2220, 2331, 2472, 2520, 2590, 2664, 2781, 2884, 3090, 3108, 3330, 3605, 3708, 3780, 3811, 3885, 3996, 4120, 4326, 4440, 4635, 4662, 4995, 5180, 5562, 5768, 6180, 6216, 6489, 6660, 6993, 7210, 7416, 7560, 7622, 7770, 7992, 8652, 9270, 9324, 9990, 10360, 10815, 11124, 11433, 11655, 12360, 12978, 13320, 13905, 13986, 14420, 15244, 15540, 17304, 18540, 18648, 19055, 19467, 19980, 21630, 22248, 22866, 23310, 25956, 26677, 27810, 27972, 28840, 30488, 31080, 32445, 34299, 34965, 37080, 38110, 38934, 39960, 43260, 45732, 46620, 51912, 53354, 55620, 55944, 57165, 64890, 68598, 69930, 76220, 77868, 80031, 86520, 91464, 93240, 97335, 102897, 106708, 111240, 114330, 129780, 133385, 137196, 139860, 152440, 155736, 160062, 171495, 194670, 205794, 213416, 228660, 240093, 259560, 266770, 274392, 279720, 320124, 342990, 389340, 400155, 411588, 457320, 480186, 514485, 533540, 640248, 685980, 720279, 778680, 800310, 823176, 960372, 1028970, 1067080, 1200465, 1371960, 1440558, 1600620, 1920744, 2057940, 2400930, 2881116, 3201240, 3601395, 4115880, 4801860, 5762232, 7202790, 9603720, 14405580, 28811160]

約数ペア:

[(1, 28811160), (2, 14405580), (3, 9603720), (4, 7202790), (5, 5762232), (6, 4801860), (7, 4115880), (8, 3601395), (9, 3201240), (10, 2881116), (12, 2400930), (14, 2057940), (15, 1920744), (18, 1600620), (20, 1440558), (21, 1371960), (24, 1200465), (27, 1067080), (28, 1028970), (30, 960372), (35, 823176), (36, 800310), (37, 778680), (40, 720279), (42, 685980), (45, 640248), (54, 533540), (56, 514485), (60, 480186), (63, 457320), (70, 411588), (72, 400155), (74, 389340), (84, 342990), (90, 320124), (103, 279720), (105, 274392), (108, 266770), (111, 259560), (120, 240093), (126, 228660), (135, 213416), (140, 205794), (148, 194670), (168, 171495), (180, 160062), (185, 155736), (189, 152440), (206, 139860), (210, 137196), (216, 133385), (222, 129780), (252, 114330), (259, 111240), (270, 106708), (280, 102897), (296, 97335), (309, 93240), (315, 91464), (333, 86520), (360, 80031), (370, 77868), (378, 76220), (412, 69930), (420, 68598), (444, 64890), (504, 57165), (515, 55944), (518, 55620), (540, 53354), (555, 51912), (618, 46620), (630, 45732), (666, 43260), (721, 39960), (740, 38934), (756, 38110), (777, 37080), (824, 34965), (840, 34299), (888, 32445), (927, 31080), (945, 30488), (999, 28840), (1030, 27972), (1036, 27810), (1080, 26677), (1110, 25956), (1236, 23310), (1260, 22866), (1295, 22248), (1332, 21630), (1442, 19980), (1480, 19467), (1512, 19055), (1545, 18648), (1554, 18540), (1665, 17304), (1854, 15540), (1890, 15244), (1998, 14420), (2060, 13986), (2072, 13905), (2163, 13320), (2220, 12978), (2331, 12360), (2472, 11655), (2520, 11433), (2590, 11124), (2664, 10815), (2781, 10360), (2884, 9990), (3090, 9324), (3108, 9270), (3330, 8652), (3605, 7992), (3708, 7770), (3780, 7622), (3811, 7560), (3885, 7416), (3996, 7210), (4120, 6993), (4326, 6660), (4440, 6489), (4635, 6216), (4662, 6180), (4995, 5768), (5180, 5562)]