205880580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1627}}^1$

素因数の和:1698

約数の個数: 144

約数和(自身を含む): 675554880

約数和(自身を除く): 469674300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 555, 570, 666, 684, 703, 740, 855, 1110, 1140, 1332, 1406, 1627, 1665, 1710, 2109, 2220, 2812, 3254, 3330, 3420, 3515, 4218, 4881, 6327, 6508, 6660, 7030, 8135, 8436, 9762, 10545, 12654, 14060, 14643, 16270, 19524, 21090, 24405, 25308, 29286, 30913, 31635, 32540, 42180, 48810, 58572, 60199, 61826, 63270, 73215, 92739, 97620, 120398, 123652, 126540, 146430, 154565, 180597, 185478, 240796, 278217, 292860, 300995, 309130, 361194, 370956, 463695, 541791, 556434, 601990, 618260, 722388, 902985, 927390, 1083582, 1112868, 1143781, 1203980, 1391085, 1805970, 1854780, 2167164, 2287562, 2708955, 2782170, 3431343, 3611940, 4575124, 5417910, 5564340, 5718905, 6862686, 10294029, 10835820, 11437810, 13725372, 17156715, 20588058, 22875620, 34313430, 41176116, 51470145, 68626860, 102940290, 205880580]

約数ペア:

[(1, 205880580), (2, 102940290), (3, 68626860), (4, 51470145), (5, 41176116), (6, 34313430), (9, 22875620), (10, 20588058), (12, 17156715), (15, 13725372), (18, 11437810), (19, 10835820), (20, 10294029), (30, 6862686), (36, 5718905), (37, 5564340), (38, 5417910), (45, 4575124), (57, 3611940), (60, 3431343), (74, 2782170), (76, 2708955), (90, 2287562), (95, 2167164), (111, 1854780), (114, 1805970), (148, 1391085), (171, 1203980), (180, 1143781), (185, 1112868), (190, 1083582), (222, 927390), (228, 902985), (285, 722388), (333, 618260), (342, 601990), (370, 556434), (380, 541791), (444, 463695), (555, 370956), (570, 361194), (666, 309130), (684, 300995), (703, 292860), (740, 278217), (855, 240796), (1110, 185478), (1140, 180597), (1332, 154565), (1406, 146430), (1627, 126540), (1665, 123652), (1710, 120398), (2109, 97620), (2220, 92739), (2812, 73215), (3254, 63270), (3330, 61826), (3420, 60199), (3515, 58572), (4218, 48810), (4881, 42180), (6327, 32540), (6508, 31635), (6660, 30913), (7030, 29286), (8135, 25308), (8436, 24405), (9762, 21090), (10545, 19524), (12654, 16270), (14060, 14643)]