1642686990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{761}}^1$

素因数の和:1338

約数の個数: 128

約数和(自身を含む): 4757806080

約数和(自身を除く): 3115119090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 541, 570, 665, 761, 798, 1082, 1330, 1522, 1623, 1995, 2283, 2705, 3246, 3787, 3805, 3990, 4566, 5327, 5410, 7574, 7610, 8115, 10279, 10654, 11361, 11415, 14459, 15981, 16230, 18935, 20558, 22722, 22830, 26635, 28918, 30837, 31962, 37870, 43377, 51395, 53270, 56805, 61674, 71953, 72295, 79905, 86754, 101213, 102790, 113610, 143906, 144590, 154185, 159810, 202426, 215859, 216885, 303639, 308370, 359765, 411701, 431718, 433770, 506065, 607278, 719530, 823402, 1012130, 1079295, 1235103, 1518195, 2058505, 2158590, 2470206, 2881907, 3036390, 4117010, 5763814, 6175515, 7822319, 8645721, 12351030, 14409535, 15644638, 17291442, 23466957, 28819070, 39111595, 43228605, 46933914, 54756233, 78223190, 86457210, 109512466, 117334785, 164268699, 234669570, 273781165, 328537398, 547562330, 821343495, 1642686990]

約数ペア:

[(1, 1642686990), (2, 821343495), (3, 547562330), (5, 328537398), (6, 273781165), (7, 234669570), (10, 164268699), (14, 117334785), (15, 109512466), (19, 86457210), (21, 78223190), (30, 54756233), (35, 46933914), (38, 43228605), (42, 39111595), (57, 28819070), (70, 23466957), (95, 17291442), (105, 15644638), (114, 14409535), (133, 12351030), (190, 8645721), (210, 7822319), (266, 6175515), (285, 5763814), (399, 4117010), (541, 3036390), (570, 2881907), (665, 2470206), (761, 2158590), (798, 2058505), (1082, 1518195), (1330, 1235103), (1522, 1079295), (1623, 1012130), (1995, 823402), (2283, 719530), (2705, 607278), (3246, 506065), (3787, 433770), (3805, 431718), (3990, 411701), (4566, 359765), (5327, 308370), (5410, 303639), (7574, 216885), (7610, 215859), (8115, 202426), (10279, 159810), (10654, 154185), (11361, 144590), (11415, 143906), (14459, 113610), (15981, 102790), (16230, 101213), (18935, 86754), (20558, 79905), (22722, 72295), (22830, 71953), (26635, 61674), (28918, 56805), (30837, 53270), (31962, 51395), (37870, 43377)]