18700268580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{81101}}^1$

素因数の和:81187

約数の個数: 192

約数和(自身を含む): 67580674560

約数和(自身を除く): 48880405980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 84, 90, 105, 108, 122, 126, 135, 140, 180, 183, 189, 210, 244, 252, 270, 305, 315, 366, 378, 420, 427, 540, 549, 610, 630, 732, 756, 854, 915, 945, 1098, 1220, 1260, 1281, 1647, 1708, 1830, 1890, 2135, 2196, 2562, 2745, 3294, 3660, 3780, 3843, 4270, 5124, 5490, 6405, 6588, 7686, 8235, 8540, 10980, 11529, 12810, 15372, 16470, 19215, 23058, 25620, 32940, 38430, 46116, 57645, 76860, 81101, 115290, 162202, 230580, 243303, 324404, 405505, 486606, 567707, 729909, 811010, 973212, 1135414, 1216515, 1459818, 1622020, 1703121, 2189727, 2270828, 2433030, 2838535, 2919636, 3406242, 3649545, 4379454, 4866060, 4947161, 5109363, 5677070, 6812484, 7299090, 8515605, 8758908, 9894322, 10218726, 10948635, 11354140, 14598180, 14841483, 15328089, 17031210, 19788644, 20437452, 21897270, 24735805, 25546815, 29682966, 30656178, 34062420, 34630127, 43794540, 44524449, 49471610, 51093630, 59365932, 61312356, 69260254, 74207415, 76640445, 89048898, 98943220, 102187260, 103890381, 133573347, 138520508, 148414830, 153280890, 173150635, 178097796, 207780762, 222622245, 267146694, 296829660, 306561780, 311671143, 346301270, 415561524, 445244490, 519451905, 534293388, 623342286, 667866735, 692602540, 890488980, 935013429, 1038903810, 1246684572, 1335733470, 1558355715, 1870026858, 2077807620, 2671466940, 3116711430, 3740053716, 4675067145, 6233422860, 9350134290, 18700268580]

約数ペア:

[(1, 18700268580), (2, 9350134290), (3, 6233422860), (4, 4675067145), (5, 3740053716), (6, 3116711430), (7, 2671466940), (9, 2077807620), (10, 1870026858), (12, 1558355715), (14, 1335733470), (15, 1246684572), (18, 1038903810), (20, 935013429), (21, 890488980), (27, 692602540), (28, 667866735), (30, 623342286), (35, 534293388), (36, 519451905), (42, 445244490), (45, 415561524), (54, 346301270), (60, 311671143), (61, 306561780), (63, 296829660), (70, 267146694), (84, 222622245), (90, 207780762), (105, 178097796), (108, 173150635), (122, 153280890), (126, 148414830), (135, 138520508), (140, 133573347), (180, 103890381), (183, 102187260), (189, 98943220), (210, 89048898), (244, 76640445), (252, 74207415), (270, 69260254), (305, 61312356), (315, 59365932), (366, 51093630), (378, 49471610), (420, 44524449), (427, 43794540), (540, 34630127), (549, 34062420), (610, 30656178), (630, 29682966), (732, 25546815), (756, 24735805), (854, 21897270), (915, 20437452), (945, 19788644), (1098, 17031210), (1220, 15328089), (1260, 14841483), (1281, 14598180), (1647, 11354140), (1708, 10948635), (1830, 10218726), (1890, 9894322), (2135, 8758908), (2196, 8515605), (2562, 7299090), (2745, 6812484), (3294, 5677070), (3660, 5109363), (3780, 4947161), (3843, 4866060), (4270, 4379454), (5124, 3649545), (5490, 3406242), (6405, 2919636), (6588, 2838535), (7686, 2433030), (8235, 2270828), (8540, 2189727), (10980, 1703121), (11529, 1622020), (12810, 1459818), (15372, 1216515), (16470, 1135414), (19215, 973212), (23058, 811010), (25620, 729909), (32940, 567707), (38430, 486606), (46116, 405505), (57645, 324404), (76860, 243303), (81101, 230580), (115290, 162202)]