197972820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2150

約数の個数: 144

約数和(自身を含む): 656667648

約数和(自身を除く): 458694828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1860, 2087, 2108, 2635, 2790, 3060, 3162, 4174, 4743, 5270, 5580, 6261, 6324, 7905, 8348, 9486, 10435, 10540, 12522, 15810, 18783, 18972, 20870, 23715, 25044, 31305, 31620, 35479, 37566, 41740, 47430, 62610, 64697, 70958, 75132, 93915, 94860, 106437, 125220, 129394, 141916, 177395, 187830, 194091, 212874, 258788, 319311, 323485, 354790, 375660, 388182, 425748, 532185, 582273, 638622, 646970, 709580, 776364, 970455, 1064370, 1099849, 1164546, 1277244, 1293940, 1596555, 1940910, 2128740, 2199698, 2329092, 2911365, 3193110, 3299547, 3881820, 4399396, 5499245, 5822730, 6386220, 6599094, 9898641, 10998490, 11645460, 13198188, 16497735, 19797282, 21996980, 32995470, 39594564, 49493205, 65990940, 98986410, 197972820]

約数ペア:

[(1, 197972820), (2, 98986410), (3, 65990940), (4, 49493205), (5, 39594564), (6, 32995470), (9, 21996980), (10, 19797282), (12, 16497735), (15, 13198188), (17, 11645460), (18, 10998490), (20, 9898641), (30, 6599094), (31, 6386220), (34, 5822730), (36, 5499245), (45, 4399396), (51, 3881820), (60, 3299547), (62, 3193110), (68, 2911365), (85, 2329092), (90, 2199698), (93, 2128740), (102, 1940910), (124, 1596555), (153, 1293940), (155, 1277244), (170, 1164546), (180, 1099849), (186, 1064370), (204, 970455), (255, 776364), (279, 709580), (306, 646970), (310, 638622), (340, 582273), (372, 532185), (465, 425748), (510, 388182), (527, 375660), (558, 354790), (612, 323485), (620, 319311), (765, 258788), (930, 212874), (1020, 194091), (1054, 187830), (1116, 177395), (1395, 141916), (1530, 129394), (1581, 125220), (1860, 106437), (2087, 94860), (2108, 93915), (2635, 75132), (2790, 70958), (3060, 64697), (3162, 62610), (4174, 47430), (4743, 41740), (5270, 37566), (5580, 35479), (6261, 31620), (6324, 31305), (7905, 25044), (8348, 23715), (9486, 20870), (10435, 18972), (10540, 18783), (12522, 15810)]