18640986840

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{273971}}^1$

素因数の和:274004

約数の個数: 192

約数和(自身を含む): 71802581760

約数和(自身を除く): 53161594920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4860, 5670, 6804, 7560, 8505, 9720, 11340, 13608, 17010, 22680, 34020, 68040, 273971, 547942, 821913, 1095884, 1369855, 1643826, 1917797, 2191768, 2465739, 2739710, 3287652, 3835594, 4109565, 4931478, 5479420, 5753391, 6575304, 7397217, 7671188, 8219130, 9588985, 9862956, 10958840, 11506782, 12328695, 14794434, 15342376, 16438260, 17260173, 19177970, 19725912, 22191651, 23013564, 24657390, 28766955, 29588868, 32876520, 34520346, 36986085, 38355940, 44383302, 46027128, 49314780, 51780519, 57533910, 59177736, 66574953, 69040692, 73972170, 76711880, 86300865, 88766604, 98629560, 103561038, 110958255, 115067820, 133149906, 138081384, 147944340, 155341557, 172601730, 177533208, 207122076, 221916510, 230135640, 258902595, 266299812, 295888680, 310683114, 332874765, 345203460, 414244152, 443833020, 466024671, 517805190, 532599624, 621366228, 665749530, 690406920, 776707785, 887666040, 932049342, 1035610380, 1242732456, 1331499060, 1553415570, 1864098684, 2071220760, 2330123355, 2662998120, 3106831140, 3728197368, 4660246710, 6213662280, 9320493420, 18640986840]

約数ペア:

[(1, 18640986840), (2, 9320493420), (3, 6213662280), (4, 4660246710), (5, 3728197368), (6, 3106831140), (7, 2662998120), (8, 2330123355), (9, 2071220760), (10, 1864098684), (12, 1553415570), (14, 1331499060), (15, 1242732456), (18, 1035610380), (20, 932049342), (21, 887666040), (24, 776707785), (27, 690406920), (28, 665749530), (30, 621366228), (35, 532599624), (36, 517805190), (40, 466024671), (42, 443833020), (45, 414244152), (54, 345203460), (56, 332874765), (60, 310683114), (63, 295888680), (70, 266299812), (72, 258902595), (81, 230135640), (84, 221916510), (90, 207122076), (105, 177533208), (108, 172601730), (120, 155341557), (126, 147944340), (135, 138081384), (140, 133149906), (162, 115067820), (168, 110958255), (180, 103561038), (189, 98629560), (210, 88766604), (216, 86300865), (243, 76711880), (252, 73972170), (270, 69040692), (280, 66574953), (315, 59177736), (324, 57533910), (360, 51780519), (378, 49314780), (405, 46027128), (420, 44383302), (486, 38355940), (504, 36986085), (540, 34520346), (567, 32876520), (630, 29588868), (648, 28766955), (756, 24657390), (810, 23013564), (840, 22191651), (945, 19725912), (972, 19177970), (1080, 17260173), (1134, 16438260), (1215, 15342376), (1260, 14794434), (1512, 12328695), (1620, 11506782), (1701, 10958840), (1890, 9862956), (1944, 9588985), (2268, 8219130), (2430, 7671188), (2520, 7397217), (2835, 6575304), (3240, 5753391), (3402, 5479420), (3780, 4931478), (4536, 4109565), (4860, 3835594), (5670, 3287652), (6804, 2739710), (7560, 2465739), (8505, 2191768), (9720, 1917797), (11340, 1643826), (13608, 1369855), (17010, 1095884), (22680, 821913), (34020, 547942), (68040, 273971)]