231251580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 216

約数和(自身を含む): 826102368

約数和(自身を除く): 594850788

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, 157, 167, 180, 196, 210, 245, 252, 294, 314, 315, 334, 420, 441, 471, 490, 501, 588, 628, 630, 668, 735, 785, 835, 882, 942, 980, 1002, 1099, 1169, 1260, 1413, 1470, 1503, 1570, 1670, 1764, 1884, 2004, 2198, 2205, 2338, 2355, 2505, 2826, 2940, 3006, 3140, 3297, 3340, 3507, 4396, 4410, 4676, 4710, 5010, 5495, 5652, 5845, 6012, 6594, 7014, 7065, 7515, 7693, 8183, 8820, 9420, 9891, 10020, 10521, 10990, 11690, 13188, 14028, 14130, 15030, 15386, 16366, 16485, 17535, 19782, 21042, 21980, 23079, 23380, 24549, 26219, 28260, 30060, 30772, 32732, 32970, 35070, 38465, 39564, 40915, 42084, 46158, 49098, 49455, 52438, 52605, 65940, 69237, 70140, 73647, 76930, 78657, 81830, 92316, 98196, 98910, 104876, 105210, 115395, 122745, 131095, 138474, 147294, 153860, 157314, 163660, 183533, 197820, 210420, 230790, 235971, 245490, 262190, 276948, 294588, 314628, 346185, 367066, 368235, 393285, 461580, 471942, 490980, 524380, 550599, 692370, 734132, 736470, 786570, 917665, 943884, 1101198, 1179855, 1284731, 1384740, 1472940, 1573140, 1651797, 1835330, 2202396, 2359710, 2569462, 2752995, 3303594, 3670660, 3854193, 4719420, 5138924, 5505990, 6423655, 6607188, 7708386, 8258985, 11011980, 11562579, 12847310, 15416772, 16517970, 19270965, 23125158, 25694620, 33035940, 38541930, 46250316, 57812895, 77083860, 115625790, 231251580]

約数ペア:

[(1, 231251580), (2, 115625790), (3, 77083860), (4, 57812895), (5, 46250316), (6, 38541930), (7, 33035940), (9, 25694620), (10, 23125158), (12, 19270965), (14, 16517970), (15, 15416772), (18, 12847310), (20, 11562579), (21, 11011980), (28, 8258985), (30, 7708386), (35, 6607188), (36, 6423655), (42, 5505990), (45, 5138924), (49, 4719420), (60, 3854193), (63, 3670660), (70, 3303594), (84, 2752995), (90, 2569462), (98, 2359710), (105, 2202396), (126, 1835330), (140, 1651797), (147, 1573140), (157, 1472940), (167, 1384740), (180, 1284731), (196, 1179855), (210, 1101198), (245, 943884), (252, 917665), (294, 786570), (314, 736470), (315, 734132), (334, 692370), (420, 550599), (441, 524380), (471, 490980), (490, 471942), (501, 461580), (588, 393285), (628, 368235), (630, 367066), (668, 346185), (735, 314628), (785, 294588), (835, 276948), (882, 262190), (942, 245490), (980, 235971), (1002, 230790), (1099, 210420), (1169, 197820), (1260, 183533), (1413, 163660), (1470, 157314), (1503, 153860), (1570, 147294), (1670, 138474), (1764, 131095), (1884, 122745), (2004, 115395), (2198, 105210), (2205, 104876), (2338, 98910), (2355, 98196), (2505, 92316), (2826, 81830), (2940, 78657), (3006, 76930), (3140, 73647), (3297, 70140), (3340, 69237), (3507, 65940), (4396, 52605), (4410, 52438), (4676, 49455), (4710, 49098), (5010, 46158), (5495, 42084), (5652, 40915), (5845, 39564), (6012, 38465), (6594, 35070), (7014, 32970), (7065, 32732), (7515, 30772), (7693, 30060), (8183, 28260), (8820, 26219), (9420, 24549), (9891, 23380), (10020, 23079), (10521, 21980), (10990, 21042), (11690, 19782), (13188, 17535), (14028, 16485), (14130, 16366), (15030, 15386)]