178801020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 240

約数和(自身を含む): 610246560

約数和(自身を除く): 431445540

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, 81, 90, 95, 108, 111, 114, 135, 148, 157, 162, 171, 180, 185, 190, 222, 228, 270, 285, 314, 324, 333, 342, 370, 380, 405, 444, 471, 513, 540, 555, 570, 628, 666, 684, 703, 740, 785, 810, 855, 942, 999, 1026, 1110, 1140, 1332, 1406, 1413, 1539, 1570, 1620, 1665, 1710, 1884, 1998, 2052, 2109, 2220, 2355, 2565, 2812, 2826, 2983, 2997, 3078, 3140, 3330, 3420, 3515, 3996, 4218, 4239, 4710, 4995, 5130, 5652, 5809, 5966, 5994, 6156, 6327, 6660, 7030, 7065, 7695, 8436, 8478, 8949, 9420, 9990, 10260, 10545, 11618, 11932, 11988, 12654, 12717, 14060, 14130, 14915, 14985, 15390, 16956, 17427, 17898, 18981, 19980, 21090, 21195, 23236, 25308, 25434, 26847, 28260, 29045, 29830, 29970, 30780, 31635, 34854, 35796, 37962, 42180, 42390, 44745, 50868, 52281, 53694, 56943, 58090, 59660, 59940, 63270, 63585, 69708, 75924, 80541, 84780, 87135, 89490, 94905, 104562, 107388, 110371, 113886, 116180, 126540, 127170, 134235, 156843, 161082, 174270, 178980, 189810, 209124, 220742, 227772, 241623, 254340, 261405, 268470, 284715, 313686, 322164, 331113, 348540, 379620, 402705, 441484, 470529, 483246, 522810, 536940, 551855, 569430, 627372, 662226, 784215, 805410, 941058, 966492, 993339, 1045620, 1103710, 1138860, 1208115, 1324452, 1568430, 1610820, 1655565, 1882116, 1986678, 2207420, 2352645, 2416230, 2980017, 3136860, 3311130, 3973356, 4705290, 4832460, 4966695, 5960034, 6622260, 8940051, 9410580, 9933390, 11920068, 14900085, 17880102, 19866780, 29800170, 35760204, 44700255, 59600340, 89400510, 178801020]

約数ペア:

[(1, 178801020), (2, 89400510), (3, 59600340), (4, 44700255), (5, 35760204), (6, 29800170), (9, 19866780), (10, 17880102), (12, 14900085), (15, 11920068), (18, 9933390), (19, 9410580), (20, 8940051), (27, 6622260), (30, 5960034), (36, 4966695), (37, 4832460), (38, 4705290), (45, 3973356), (54, 3311130), (57, 3136860), (60, 2980017), (74, 2416230), (76, 2352645), (81, 2207420), (90, 1986678), (95, 1882116), (108, 1655565), (111, 1610820), (114, 1568430), (135, 1324452), (148, 1208115), (157, 1138860), (162, 1103710), (171, 1045620), (180, 993339), (185, 966492), (190, 941058), (222, 805410), (228, 784215), (270, 662226), (285, 627372), (314, 569430), (324, 551855), (333, 536940), (342, 522810), (370, 483246), (380, 470529), (405, 441484), (444, 402705), (471, 379620), (513, 348540), (540, 331113), (555, 322164), (570, 313686), (628, 284715), (666, 268470), (684, 261405), (703, 254340), (740, 241623), (785, 227772), (810, 220742), (855, 209124), (942, 189810), (999, 178980), (1026, 174270), (1110, 161082), (1140, 156843), (1332, 134235), (1406, 127170), (1413, 126540), (1539, 116180), (1570, 113886), (1620, 110371), (1665, 107388), (1710, 104562), (1884, 94905), (1998, 89490), (2052, 87135), (2109, 84780), (2220, 80541), (2355, 75924), (2565, 69708), (2812, 63585), (2826, 63270), (2983, 59940), (2997, 59660), (3078, 58090), (3140, 56943), (3330, 53694), (3420, 52281), (3515, 50868), (3996, 44745), (4218, 42390), (4239, 42180), (4710, 37962), (4995, 35796), (5130, 34854), (5652, 31635), (5809, 30780), (5966, 29970), (5994, 29830), (6156, 29045), (6327, 28260), (6660, 26847), (7030, 25434), (7065, 25308), (7695, 23236), (8436, 21195), (8478, 21090), (8949, 19980), (9420, 18981), (9990, 17898), (10260, 17427), (10545, 16956), (11618, 15390), (11932, 14985), (11988, 14915), (12654, 14130), (12717, 14060)]