28686960

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:277

約数の個数: 200

約数和(自身を含む): 105328080

約数和(自身を除く): 76641120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 233, 240, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 466, 513, 540, 570, 648, 684, 699, 720, 760, 810, 855, 912, 932, 1026, 1080, 1140, 1165, 1296, 1368, 1398, 1520, 1539, 1620, 1710, 1864, 2052, 2097, 2160, 2280, 2330, 2565, 2736, 2796, 3078, 3240, 3420, 3495, 3728, 4104, 4194, 4427, 4560, 4660, 5130, 5592, 6156, 6291, 6480, 6840, 6990, 7695, 8208, 8388, 8854, 9320, 10260, 10485, 11184, 12312, 12582, 13281, 13680, 13980, 15390, 16776, 17708, 18640, 18873, 20520, 20970, 22135, 24624, 25164, 26562, 27960, 30780, 31455, 33552, 35416, 37746, 39843, 41040, 41940, 44270, 50328, 53124, 55920, 61560, 62910, 66405, 70832, 75492, 79686, 83880, 88540, 94365, 100656, 106248, 119529, 123120, 125820, 132810, 150984, 159372, 167760, 177080, 188730, 199215, 212496, 239058, 251640, 265620, 301968, 318744, 354160, 358587, 377460, 398430, 478116, 503280, 531240, 597645, 637488, 717174, 754920, 796860, 956232, 1062480, 1195290, 1434348, 1509840, 1593720, 1792935, 1912464, 2390580, 2868696, 3187440, 3585870, 4781160, 5737392, 7171740, 9562320, 14343480, 28686960]

約数ペア:

[(1, 28686960), (2, 14343480), (3, 9562320), (4, 7171740), (5, 5737392), (6, 4781160), (8, 3585870), (9, 3187440), (10, 2868696), (12, 2390580), (15, 1912464), (16, 1792935), (18, 1593720), (19, 1509840), (20, 1434348), (24, 1195290), (27, 1062480), (30, 956232), (36, 796860), (38, 754920), (40, 717174), (45, 637488), (48, 597645), (54, 531240), (57, 503280), (60, 478116), (72, 398430), (76, 377460), (80, 358587), (81, 354160), (90, 318744), (95, 301968), (108, 265620), (114, 251640), (120, 239058), (135, 212496), (144, 199215), (152, 188730), (162, 177080), (171, 167760), (180, 159372), (190, 150984), (216, 132810), (228, 125820), (233, 123120), (240, 119529), (270, 106248), (285, 100656), (304, 94365), (324, 88540), (342, 83880), (360, 79686), (380, 75492), (405, 70832), (432, 66405), (456, 62910), (466, 61560), (513, 55920), (540, 53124), (570, 50328), (648, 44270), (684, 41940), (699, 41040), (720, 39843), (760, 37746), (810, 35416), (855, 33552), (912, 31455), (932, 30780), (1026, 27960), (1080, 26562), (1140, 25164), (1165, 24624), (1296, 22135), (1368, 20970), (1398, 20520), (1520, 18873), (1539, 18640), (1620, 17708), (1710, 16776), (1864, 15390), (2052, 13980), (2097, 13680), (2160, 13281), (2280, 12582), (2330, 12312), (2565, 11184), (2736, 10485), (2796, 10260), (3078, 9320), (3240, 8854), (3420, 8388), (3495, 8208), (3728, 7695), (4104, 6990), (4194, 6840), (4427, 6480), (4560, 6291), (4660, 6156), (5130, 5592)]