428879880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2821

約数の個数: 256

約数和(自身を含む): 1680134400

約数和(自身を除く): 1251254520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 27, 30, 33, 36, 39, 40, 44, 45, 52, 54, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 108, 110, 117, 120, 130, 132, 135, 143, 156, 165, 180, 195, 198, 216, 220, 234, 260, 264, 270, 286, 297, 312, 330, 351, 360, 390, 396, 429, 440, 468, 495, 520, 540, 572, 585, 594, 660, 702, 715, 780, 792, 858, 936, 990, 1080, 1144, 1170, 1188, 1287, 1320, 1404, 1430, 1485, 1560, 1716, 1755, 1980, 2145, 2340, 2376, 2574, 2777, 2808, 2860, 2970, 3432, 3510, 3861, 3960, 4290, 4680, 5148, 5554, 5720, 5940, 6435, 7020, 7722, 8331, 8580, 10296, 11108, 11880, 12870, 13885, 14040, 15444, 16662, 17160, 19305, 22216, 24993, 25740, 27770, 30547, 30888, 33324, 36101, 38610, 41655, 49986, 51480, 55540, 61094, 66648, 72202, 74979, 77220, 83310, 91641, 99972, 108303, 111080, 122188, 124965, 144404, 149958, 152735, 154440, 166620, 180505, 183282, 199944, 216606, 244376, 249930, 274923, 288808, 299916, 305470, 324909, 333240, 361010, 366564, 374895, 397111, 433212, 458205, 499860, 541515, 549846, 599832, 610940, 649818, 722020, 733128, 749790, 794222, 824769, 866424, 916410, 974727, 999720, 1083030, 1099692, 1191333, 1221880, 1299636, 1374615, 1444040, 1499580, 1588444, 1624545, 1649538, 1832820, 1949454, 1985555, 2166060, 2199384, 2382666, 2599272, 2749230, 2999160, 3176888, 3249090, 3299076, 3573999, 3665640, 3898908, 3971110, 4123845, 4332120, 4765332, 4873635, 5498460, 5956665, 6498180, 6598152, 7147998, 7797816, 7942220, 8247690, 9530664, 9747270, 10721997, 10996920, 11913330, 12996360, 14295996, 15884440, 16495380, 17869995, 19494540, 21443994, 23826660, 28591992, 32990760, 35739990, 38989080, 42887988, 47653320, 53609985, 71479980, 85775976, 107219970, 142959960, 214439940, 428879880]

約数ペア:

[(1, 428879880), (2, 214439940), (3, 142959960), (4, 107219970), (5, 85775976), (6, 71479980), (8, 53609985), (9, 47653320), (10, 42887988), (11, 38989080), (12, 35739990), (13, 32990760), (15, 28591992), (18, 23826660), (20, 21443994), (22, 19494540), (24, 17869995), (26, 16495380), (27, 15884440), (30, 14295996), (33, 12996360), (36, 11913330), (39, 10996920), (40, 10721997), (44, 9747270), (45, 9530664), (52, 8247690), (54, 7942220), (55, 7797816), (60, 7147998), (65, 6598152), (66, 6498180), (72, 5956665), (78, 5498460), (88, 4873635), (90, 4765332), (99, 4332120), (104, 4123845), (108, 3971110), (110, 3898908), (117, 3665640), (120, 3573999), (130, 3299076), (132, 3249090), (135, 3176888), (143, 2999160), (156, 2749230), (165, 2599272), (180, 2382666), (195, 2199384), (198, 2166060), (216, 1985555), (220, 1949454), (234, 1832820), (260, 1649538), (264, 1624545), (270, 1588444), (286, 1499580), (297, 1444040), (312, 1374615), (330, 1299636), (351, 1221880), (360, 1191333), (390, 1099692), (396, 1083030), (429, 999720), (440, 974727), (468, 916410), (495, 866424), (520, 824769), (540, 794222), (572, 749790), (585, 733128), (594, 722020), (660, 649818), (702, 610940), (715, 599832), (780, 549846), (792, 541515), (858, 499860), (936, 458205), (990, 433212), (1080, 397111), (1144, 374895), (1170, 366564), (1188, 361010), (1287, 333240), (1320, 324909), (1404, 305470), (1430, 299916), (1485, 288808), (1560, 274923), (1716, 249930), (1755, 244376), (1980, 216606), (2145, 199944), (2340, 183282), (2376, 180505), (2574, 166620), (2777, 154440), (2808, 152735), (2860, 149958), (2970, 144404), (3432, 124965), (3510, 122188), (3861, 111080), (3960, 108303), (4290, 99972), (4680, 91641), (5148, 83310), (5554, 77220), (5720, 74979), (5940, 72202), (6435, 66648), (7020, 61094), (7722, 55540), (8331, 51480), (8580, 49986), (10296, 41655), (11108, 38610), (11880, 36101), (12870, 33324), (13885, 30888), (14040, 30547), (15444, 27770), (16662, 25740), (17160, 24993), (19305, 22216)]