72831990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:838

約数の個数: 128

約数和(自身を含む): 223534080

約数和(自身を除く): 150702090

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 41, 42, 55, 66, 70, 77, 82, 105, 110, 123, 154, 165, 205, 210, 231, 246, 287, 330, 385, 410, 451, 462, 574, 615, 769, 770, 861, 902, 1155, 1230, 1353, 1435, 1538, 1722, 2255, 2307, 2310, 2706, 2870, 3157, 3845, 4305, 4510, 4614, 5383, 6314, 6765, 7690, 8459, 8610, 9471, 10766, 11535, 13530, 15785, 16149, 16918, 18942, 23070, 25377, 26915, 31529, 31570, 32298, 42295, 47355, 50754, 53830, 59213, 63058, 80745, 84590, 94587, 94710, 118426, 126885, 157645, 161490, 177639, 189174, 220703, 253770, 296065, 315290, 346819, 355278, 441406, 472935, 592130, 662109, 693638, 888195, 945870, 1040457, 1103515, 1324218, 1734095, 1776390, 2080914, 2207030, 2427733, 3310545, 3468190, 4855466, 5202285, 6621090, 7283199, 10404570, 12138665, 14566398, 24277330, 36415995, 72831990]

約数ペア:

[(1, 72831990), (2, 36415995), (3, 24277330), (5, 14566398), (6, 12138665), (7, 10404570), (10, 7283199), (11, 6621090), (14, 5202285), (15, 4855466), (21, 3468190), (22, 3310545), (30, 2427733), (33, 2207030), (35, 2080914), (41, 1776390), (42, 1734095), (55, 1324218), (66, 1103515), (70, 1040457), (77, 945870), (82, 888195), (105, 693638), (110, 662109), (123, 592130), (154, 472935), (165, 441406), (205, 355278), (210, 346819), (231, 315290), (246, 296065), (287, 253770), (330, 220703), (385, 189174), (410, 177639), (451, 161490), (462, 157645), (574, 126885), (615, 118426), (769, 94710), (770, 94587), (861, 84590), (902, 80745), (1155, 63058), (1230, 59213), (1353, 53830), (1435, 50754), (1538, 47355), (1722, 42295), (2255, 32298), (2307, 31570), (2310, 31529), (2706, 26915), (2870, 25377), (3157, 23070), (3845, 18942), (4305, 16918), (4510, 16149), (4614, 15785), (5383, 13530), (6314, 11535), (6765, 10766), (7690, 9471), (8459, 8610)]