55578780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:516

約数の個数: 144

約数和(自身を含む): 183272544

約数和(自身を除く): 127693764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 41, 45, 51, 60, 68, 82, 85, 90, 102, 123, 153, 164, 170, 180, 204, 205, 246, 255, 306, 340, 369, 410, 443, 492, 510, 612, 615, 697, 738, 765, 820, 886, 1020, 1230, 1329, 1394, 1476, 1530, 1772, 1845, 2091, 2215, 2460, 2658, 2788, 3060, 3485, 3690, 3987, 4182, 4430, 5316, 6273, 6645, 6970, 7380, 7531, 7974, 8364, 8860, 10455, 12546, 13290, 13940, 15062, 15948, 18163, 19935, 20910, 22593, 25092, 26580, 30124, 31365, 36326, 37655, 39870, 41820, 45186, 54489, 62730, 67779, 72652, 75310, 79740, 90372, 90815, 108978, 112965, 125460, 135558, 150620, 163467, 181630, 217956, 225930, 271116, 272445, 308771, 326934, 338895, 363260, 451860, 544890, 617542, 653868, 677790, 817335, 926313, 1089780, 1235084, 1355580, 1543855, 1634670, 1852626, 2778939, 3087710, 3269340, 3705252, 4631565, 5557878, 6175420, 9263130, 11115756, 13894695, 18526260, 27789390, 55578780]

約数ペア:

[(1, 55578780), (2, 27789390), (3, 18526260), (4, 13894695), (5, 11115756), (6, 9263130), (9, 6175420), (10, 5557878), (12, 4631565), (15, 3705252), (17, 3269340), (18, 3087710), (20, 2778939), (30, 1852626), (34, 1634670), (36, 1543855), (41, 1355580), (45, 1235084), (51, 1089780), (60, 926313), (68, 817335), (82, 677790), (85, 653868), (90, 617542), (102, 544890), (123, 451860), (153, 363260), (164, 338895), (170, 326934), (180, 308771), (204, 272445), (205, 271116), (246, 225930), (255, 217956), (306, 181630), (340, 163467), (369, 150620), (410, 135558), (443, 125460), (492, 112965), (510, 108978), (612, 90815), (615, 90372), (697, 79740), (738, 75310), (765, 72652), (820, 67779), (886, 62730), (1020, 54489), (1230, 45186), (1329, 41820), (1394, 39870), (1476, 37655), (1530, 36326), (1772, 31365), (1845, 30124), (2091, 26580), (2215, 25092), (2460, 22593), (2658, 20910), (2788, 19935), (3060, 18163), (3485, 15948), (3690, 15062), (3987, 13940), (4182, 13290), (4430, 12546), (5316, 10455), (6273, 8860), (6645, 8364), (6970, 7974), (7380, 7531)]