490878180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:227

約数の個数: 288

約数和(自身を含む): 1696601088

約数和(自身を除く): 1205722908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 67, 78, 90, 93, 101, 117, 124, 130, 134, 155, 156, 180, 186, 195, 201, 202, 234, 260, 268, 279, 303, 310, 335, 372, 390, 402, 403, 404, 465, 468, 505, 558, 585, 603, 606, 620, 670, 780, 804, 806, 871, 909, 930, 1005, 1010, 1116, 1170, 1206, 1209, 1212, 1313, 1340, 1395, 1515, 1612, 1742, 1818, 1860, 2010, 2015, 2020, 2077, 2340, 2412, 2418, 2613, 2626, 2790, 3015, 3030, 3131, 3484, 3627, 3636, 3939, 4020, 4030, 4154, 4355, 4545, 4836, 5226, 5252, 5580, 6030, 6045, 6060, 6231, 6262, 6565, 6767, 7254, 7839, 7878, 8060, 8308, 8710, 9090, 9393, 10385, 10452, 11817, 12060, 12090, 12462, 12524, 13065, 13130, 13534, 14508, 15655, 15678, 15756, 17420, 18135, 18180, 18693, 18786, 19695, 20301, 20770, 23634, 24180, 24924, 26130, 26260, 27001, 27068, 28179, 31155, 31310, 31356, 33835, 36270, 37386, 37572, 39195, 39390, 40602, 40703, 41540, 46965, 47268, 52260, 54002, 56358, 59085, 60903, 62310, 62620, 67670, 72540, 74772, 78390, 78780, 81003, 81204, 81406, 87971, 93465, 93930, 101505, 108004, 112716, 118170, 121806, 122109, 124620, 135005, 135340, 140895, 156780, 162006, 162812, 175942, 186930, 187860, 203010, 203515, 209777, 236340, 243009, 243612, 244218, 263913, 270010, 281790, 304515, 324012, 351884, 366327, 373860, 405015, 406020, 407030, 419554, 439855, 486018, 488436, 527826, 540020, 563580, 609030, 610545, 629331, 732654, 791739, 810030, 814060, 839108, 879710, 972036, 1048885, 1055652, 1215045, 1218060, 1221090, 1258662, 1319565, 1465308, 1583478, 1620060, 1759420, 1831635, 1887993, 2097770, 2430090, 2442180, 2517324, 2639130, 2727101, 3146655, 3166956, 3663270, 3775986, 3958695, 4195540, 4860180, 5278260, 5454202, 6293310, 7326540, 7551972, 7917390, 8181303, 9439965, 10908404, 12586620, 13635505, 15834780, 16362606, 18879930, 24543909, 27271010, 32725212, 37759860, 40906515, 49087818, 54542020, 81813030, 98175636, 122719545, 163626060, 245439090, 490878180]

約数ペア:

[(1, 490878180), (2, 245439090), (3, 163626060), (4, 122719545), (5, 98175636), (6, 81813030), (9, 54542020), (10, 49087818), (12, 40906515), (13, 37759860), (15, 32725212), (18, 27271010), (20, 24543909), (26, 18879930), (30, 16362606), (31, 15834780), (36, 13635505), (39, 12586620), (45, 10908404), (52, 9439965), (60, 8181303), (62, 7917390), (65, 7551972), (67, 7326540), (78, 6293310), (90, 5454202), (93, 5278260), (101, 4860180), (117, 4195540), (124, 3958695), (130, 3775986), (134, 3663270), (155, 3166956), (156, 3146655), (180, 2727101), (186, 2639130), (195, 2517324), (201, 2442180), (202, 2430090), (234, 2097770), (260, 1887993), (268, 1831635), (279, 1759420), (303, 1620060), (310, 1583478), (335, 1465308), (372, 1319565), (390, 1258662), (402, 1221090), (403, 1218060), (404, 1215045), (465, 1055652), (468, 1048885), (505, 972036), (558, 879710), (585, 839108), (603, 814060), (606, 810030), (620, 791739), (670, 732654), (780, 629331), (804, 610545), (806, 609030), (871, 563580), (909, 540020), (930, 527826), (1005, 488436), (1010, 486018), (1116, 439855), (1170, 419554), (1206, 407030), (1209, 406020), (1212, 405015), (1313, 373860), (1340, 366327), (1395, 351884), (1515, 324012), (1612, 304515), (1742, 281790), (1818, 270010), (1860, 263913), (2010, 244218), (2015, 243612), (2020, 243009), (2077, 236340), (2340, 209777), (2412, 203515), (2418, 203010), (2613, 187860), (2626, 186930), (2790, 175942), (3015, 162812), (3030, 162006), (3131, 156780), (3484, 140895), (3627, 135340), (3636, 135005), (3939, 124620), (4020, 122109), (4030, 121806), (4154, 118170), (4355, 112716), (4545, 108004), (4836, 101505), (5226, 93930), (5252, 93465), (5580, 87971), (6030, 81406), (6045, 81204), (6060, 81003), (6231, 78780), (6262, 78390), (6565, 74772), (6767, 72540), (7254, 67670), (7839, 62620), (7878, 62310), (8060, 60903), (8308, 59085), (8710, 56358), (9090, 54002), (9393, 52260), (10385, 47268), (10452, 46965), (11817, 41540), (12060, 40703), (12090, 40602), (12462, 39390), (12524, 39195), (13065, 37572), (13130, 37386), (13534, 36270), (14508, 33835), (15655, 31356), (15678, 31310), (15756, 31155), (17420, 28179), (18135, 27068), (18180, 27001), (18693, 26260), (18786, 26130), (19695, 24924), (20301, 24180), (20770, 23634)]