28430460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 99187200

約数和(自身を除く): 70756740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 85, 90, 95, 102, 108, 114, 135, 153, 163, 170, 171, 180, 190, 204, 228, 255, 270, 285, 306, 323, 326, 340, 342, 380, 459, 489, 510, 513, 540, 570, 612, 646, 652, 684, 765, 815, 855, 918, 969, 978, 1020, 1026, 1140, 1292, 1467, 1530, 1615, 1630, 1710, 1836, 1938, 1956, 2052, 2295, 2445, 2565, 2771, 2907, 2934, 3060, 3097, 3230, 3260, 3420, 3876, 4401, 4590, 4845, 4890, 5130, 5542, 5814, 5868, 6194, 6460, 7335, 8313, 8721, 8802, 9180, 9291, 9690, 9780, 10260, 11084, 11628, 12388, 13855, 14535, 14670, 15485, 16626, 17442, 17604, 18582, 19380, 22005, 24939, 27710, 27873, 29070, 29340, 30970, 33252, 34884, 37164, 41565, 43605, 44010, 46455, 49878, 52649, 55420, 55746, 58140, 61940, 74817, 83130, 83619, 87210, 88020, 92910, 99756, 105298, 111492, 124695, 139365, 149634, 157947, 166260, 167238, 174420, 185820, 210596, 249390, 263245, 278730, 299268, 315894, 334476, 374085, 418095, 473841, 498780, 526490, 557460, 631788, 748170, 789735, 836190, 947682, 1052980, 1421523, 1496340, 1579470, 1672380, 1895364, 2369205, 2843046, 3158940, 4738410, 5686092, 7107615, 9476820, 14215230, 28430460]

約数ペア:

[(1, 28430460), (2, 14215230), (3, 9476820), (4, 7107615), (5, 5686092), (6, 4738410), (9, 3158940), (10, 2843046), (12, 2369205), (15, 1895364), (17, 1672380), (18, 1579470), (19, 1496340), (20, 1421523), (27, 1052980), (30, 947682), (34, 836190), (36, 789735), (38, 748170), (45, 631788), (51, 557460), (54, 526490), (57, 498780), (60, 473841), (68, 418095), (76, 374085), (85, 334476), (90, 315894), (95, 299268), (102, 278730), (108, 263245), (114, 249390), (135, 210596), (153, 185820), (163, 174420), (170, 167238), (171, 166260), (180, 157947), (190, 149634), (204, 139365), (228, 124695), (255, 111492), (270, 105298), (285, 99756), (306, 92910), (323, 88020), (326, 87210), (340, 83619), (342, 83130), (380, 74817), (459, 61940), (489, 58140), (510, 55746), (513, 55420), (540, 52649), (570, 49878), (612, 46455), (646, 44010), (652, 43605), (684, 41565), (765, 37164), (815, 34884), (855, 33252), (918, 30970), (969, 29340), (978, 29070), (1020, 27873), (1026, 27710), (1140, 24939), (1292, 22005), (1467, 19380), (1530, 18582), (1615, 17604), (1630, 17442), (1710, 16626), (1836, 15485), (1938, 14670), (1956, 14535), (2052, 13855), (2295, 12388), (2445, 11628), (2565, 11084), (2771, 10260), (2907, 9780), (2934, 9690), (3060, 9291), (3097, 9180), (3230, 8802), (3260, 8721), (3420, 8313), (3876, 7335), (4401, 6460), (4590, 6194), (4845, 5868), (4890, 5814), (5130, 5542)]