820358820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2235

約数の個数: 192

約数和(自身を含む): 2760441600

約数和(自身を除く): 1940082780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 90, 95, 108, 111, 114, 135, 148, 171, 180, 185, 190, 222, 228, 270, 285, 333, 342, 370, 380, 444, 513, 540, 555, 570, 666, 684, 703, 740, 855, 999, 1026, 1110, 1140, 1332, 1406, 1665, 1710, 1998, 2052, 2109, 2161, 2220, 2565, 2812, 3330, 3420, 3515, 3996, 4218, 4322, 4995, 5130, 6327, 6483, 6660, 7030, 8436, 8644, 9990, 10260, 10545, 10805, 12654, 12966, 14060, 18981, 19449, 19980, 21090, 21610, 25308, 25932, 31635, 32415, 37962, 38898, 41059, 42180, 43220, 58347, 63270, 64830, 75924, 77796, 79957, 82118, 94905, 97245, 116694, 123177, 126540, 129660, 159914, 164236, 189810, 194490, 205295, 233388, 239871, 246354, 291735, 319828, 369531, 379620, 388980, 399785, 410590, 479742, 492708, 583470, 615885, 719613, 739062, 799570, 821180, 959484, 1108593, 1166940, 1199355, 1231770, 1439226, 1478124, 1519183, 1599140, 1847655, 2158839, 2217186, 2398710, 2463540, 2878452, 3038366, 3598065, 3695310, 4317678, 4434372, 4557549, 4797420, 5542965, 6076732, 7196130, 7390620, 7595915, 8635356, 9115098, 10794195, 11085930, 13672647, 14392260, 15191830, 18230196, 21588390, 22171860, 22787745, 27345294, 30383660, 41017941, 43176780, 45575490, 54690588, 68363235, 82035882, 91150980, 136726470, 164071764, 205089705, 273452940, 410179410, 820358820]

約数ペア:

[(1, 820358820), (2, 410179410), (3, 273452940), (4, 205089705), (5, 164071764), (6, 136726470), (9, 91150980), (10, 82035882), (12, 68363235), (15, 54690588), (18, 45575490), (19, 43176780), (20, 41017941), (27, 30383660), (30, 27345294), (36, 22787745), (37, 22171860), (38, 21588390), (45, 18230196), (54, 15191830), (57, 14392260), (60, 13672647), (74, 11085930), (76, 10794195), (90, 9115098), (95, 8635356), (108, 7595915), (111, 7390620), (114, 7196130), (135, 6076732), (148, 5542965), (171, 4797420), (180, 4557549), (185, 4434372), (190, 4317678), (222, 3695310), (228, 3598065), (270, 3038366), (285, 2878452), (333, 2463540), (342, 2398710), (370, 2217186), (380, 2158839), (444, 1847655), (513, 1599140), (540, 1519183), (555, 1478124), (570, 1439226), (666, 1231770), (684, 1199355), (703, 1166940), (740, 1108593), (855, 959484), (999, 821180), (1026, 799570), (1110, 739062), (1140, 719613), (1332, 615885), (1406, 583470), (1665, 492708), (1710, 479742), (1998, 410590), (2052, 399785), (2109, 388980), (2161, 379620), (2220, 369531), (2565, 319828), (2812, 291735), (3330, 246354), (3420, 239871), (3515, 233388), (3996, 205295), (4218, 194490), (4322, 189810), (4995, 164236), (5130, 159914), (6327, 129660), (6483, 126540), (6660, 123177), (7030, 116694), (8436, 97245), (8644, 94905), (9990, 82118), (10260, 79957), (10545, 77796), (10805, 75924), (12654, 64830), (12966, 63270), (14060, 58347), (18981, 43220), (19449, 42180), (19980, 41059), (21090, 38898), (21610, 37962), (25308, 32415), (25932, 31635)]