319480980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{643}}^1$

素因数の和:695

約数の個数: 216

約数和(自身を含む): 1128550752

約数和(自身を除く): 809069772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 169, 182, 195, 196, 210, 245, 260, 273, 294, 338, 364, 390, 420, 455, 490, 507, 546, 588, 637, 643, 676, 735, 780, 845, 910, 980, 1014, 1092, 1183, 1274, 1286, 1365, 1470, 1690, 1820, 1911, 1929, 2028, 2366, 2535, 2548, 2572, 2730, 2940, 3185, 3215, 3380, 3549, 3822, 3858, 4501, 4732, 5070, 5460, 5915, 6370, 6430, 7098, 7644, 7716, 8281, 8359, 9002, 9555, 9645, 10140, 11830, 12740, 12860, 13503, 14196, 16562, 16718, 17745, 18004, 19110, 19290, 22505, 23660, 24843, 25077, 27006, 31507, 33124, 33436, 35490, 38220, 38580, 41405, 41795, 45010, 49686, 50154, 54012, 58513, 63014, 67515, 70980, 82810, 83590, 90020, 94521, 99372, 100308, 108667, 117026, 124215, 125385, 126028, 135030, 157535, 165620, 167180, 175539, 189042, 217334, 234052, 248430, 250770, 270060, 292565, 315070, 326001, 351078, 378084, 409591, 434668, 472605, 496860, 501540, 543335, 585130, 630140, 652002, 702156, 760669, 819182, 877695, 945210, 1086670, 1170260, 1228773, 1304004, 1521338, 1630005, 1638364, 1755390, 1890420, 2047955, 2173340, 2282007, 2457546, 3042676, 3260010, 3510780, 3803345, 4095910, 4564014, 4915092, 5324683, 6143865, 6520020, 7606690, 8191820, 9128028, 10649366, 11410035, 12287730, 15213380, 15974049, 21298732, 22820070, 24575460, 26623415, 31948098, 45640140, 53246830, 63896196, 79870245, 106493660, 159740490, 319480980]

約数ペア:

[(1, 319480980), (2, 159740490), (3, 106493660), (4, 79870245), (5, 63896196), (6, 53246830), (7, 45640140), (10, 31948098), (12, 26623415), (13, 24575460), (14, 22820070), (15, 21298732), (20, 15974049), (21, 15213380), (26, 12287730), (28, 11410035), (30, 10649366), (35, 9128028), (39, 8191820), (42, 7606690), (49, 6520020), (52, 6143865), (60, 5324683), (65, 4915092), (70, 4564014), (78, 4095910), (84, 3803345), (91, 3510780), (98, 3260010), (105, 3042676), (130, 2457546), (140, 2282007), (147, 2173340), (156, 2047955), (169, 1890420), (182, 1755390), (195, 1638364), (196, 1630005), (210, 1521338), (245, 1304004), (260, 1228773), (273, 1170260), (294, 1086670), (338, 945210), (364, 877695), (390, 819182), (420, 760669), (455, 702156), (490, 652002), (507, 630140), (546, 585130), (588, 543335), (637, 501540), (643, 496860), (676, 472605), (735, 434668), (780, 409591), (845, 378084), (910, 351078), (980, 326001), (1014, 315070), (1092, 292565), (1183, 270060), (1274, 250770), (1286, 248430), (1365, 234052), (1470, 217334), (1690, 189042), (1820, 175539), (1911, 167180), (1929, 165620), (2028, 157535), (2366, 135030), (2535, 126028), (2548, 125385), (2572, 124215), (2730, 117026), (2940, 108667), (3185, 100308), (3215, 99372), (3380, 94521), (3549, 90020), (3822, 83590), (3858, 82810), (4501, 70980), (4732, 67515), (5070, 63014), (5460, 58513), (5915, 54012), (6370, 50154), (6430, 49686), (7098, 45010), (7644, 41795), (7716, 41405), (8281, 38580), (8359, 38220), (9002, 35490), (9555, 33436), (9645, 33124), (10140, 31507), (11830, 27006), (12740, 25077), (12860, 24843), (13503, 23660), (14196, 22505), (16562, 19290), (16718, 19110), (17745, 18004)]