247762620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{4013}}^1$

素因数の和:4049

約数の個数: 144

約数和(自身を含む): 876657600

約数和(自身を除く): 628894980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2940, 3087, 3430, 4013, 4116, 4410, 5145, 6174, 6860, 8026, 8820, 10290, 12039, 12348, 15435, 16052, 20065, 20580, 24078, 28091, 30870, 36117, 40130, 48156, 56182, 60195, 61740, 72234, 80260, 84273, 112364, 120390, 140455, 144468, 168546, 180585, 196637, 240780, 252819, 280910, 337092, 361170, 393274, 421365, 505638, 561820, 589911, 722340, 786548, 842730, 983185, 1011276, 1179822, 1264095, 1376459, 1685460, 1769733, 1966370, 2359644, 2528190, 2752918, 2949555, 3539466, 3932740, 4129377, 5056380, 5505836, 5899110, 6882295, 7078932, 8258754, 8848665, 11798220, 12388131, 13764590, 16517508, 17697330, 20646885, 24776262, 27529180, 35394660, 41293770, 49552524, 61940655, 82587540, 123881310, 247762620]

約数ペア:

[(1, 247762620), (2, 123881310), (3, 82587540), (4, 61940655), (5, 49552524), (6, 41293770), (7, 35394660), (9, 27529180), (10, 24776262), (12, 20646885), (14, 17697330), (15, 16517508), (18, 13764590), (20, 12388131), (21, 11798220), (28, 8848665), (30, 8258754), (35, 7078932), (36, 6882295), (42, 5899110), (45, 5505836), (49, 5056380), (60, 4129377), (63, 3932740), (70, 3539466), (84, 2949555), (90, 2752918), (98, 2528190), (105, 2359644), (126, 1966370), (140, 1769733), (147, 1685460), (180, 1376459), (196, 1264095), (210, 1179822), (245, 1011276), (252, 983185), (294, 842730), (315, 786548), (343, 722340), (420, 589911), (441, 561820), (490, 505638), (588, 421365), (630, 393274), (686, 361170), (735, 337092), (882, 280910), (980, 252819), (1029, 240780), (1260, 196637), (1372, 180585), (1470, 168546), (1715, 144468), (1764, 140455), (2058, 120390), (2205, 112364), (2940, 84273), (3087, 80260), (3430, 72234), (4013, 61740), (4116, 60195), (4410, 56182), (5145, 48156), (6174, 40130), (6860, 36117), (8026, 30870), (8820, 28091), (10290, 24078), (12039, 20580), (12348, 20065), (15435, 16052)]