2015570540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1155

約数の個数: 96

約数和(自身を含む): 4584081600

約数和(自身を除く): 2568511060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 89, 95, 122, 178, 190, 244, 305, 356, 380, 445, 610, 890, 977, 1159, 1220, 1691, 1780, 1954, 2318, 3382, 3908, 4636, 4885, 5429, 5795, 6764, 8455, 9770, 10858, 11590, 16910, 18563, 19540, 21716, 23180, 27145, 33820, 37126, 54290, 59597, 74252, 86953, 92815, 103151, 108580, 119194, 173906, 185630, 206302, 238388, 297985, 347812, 371260, 412604, 434765, 515755, 595970, 869530, 1031510, 1132343, 1191940, 1652107, 1739060, 2063020, 2264686, 3304214, 4529372, 5304133, 5661715, 6608428, 8260535, 10608266, 11323430, 16521070, 21216532, 22646860, 26520665, 33042140, 53041330, 100778527, 106082660, 201557054, 403114108, 503892635, 1007785270, 2015570540]

約数ペア:

[(1, 2015570540), (2, 1007785270), (4, 503892635), (5, 403114108), (10, 201557054), (19, 106082660), (20, 100778527), (38, 53041330), (61, 33042140), (76, 26520665), (89, 22646860), (95, 21216532), (122, 16521070), (178, 11323430), (190, 10608266), (244, 8260535), (305, 6608428), (356, 5661715), (380, 5304133), (445, 4529372), (610, 3304214), (890, 2264686), (977, 2063020), (1159, 1739060), (1220, 1652107), (1691, 1191940), (1780, 1132343), (1954, 1031510), (2318, 869530), (3382, 595970), (3908, 515755), (4636, 434765), (4885, 412604), (5429, 371260), (5795, 347812), (6764, 297985), (8455, 238388), (9770, 206302), (10858, 185630), (11590, 173906), (16910, 119194), (18563, 108580), (19540, 103151), (21716, 92815), (23180, 86953), (27145, 74252), (33820, 59597), (37126, 54290)]