68557740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 210198240

約数和(自身を除く): 141640500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 41, 58, 60, 62, 82, 87, 93, 116, 123, 124, 145, 155, 164, 174, 186, 205, 246, 290, 310, 348, 372, 410, 435, 465, 492, 580, 615, 620, 820, 870, 899, 930, 961, 1189, 1230, 1271, 1740, 1798, 1860, 1922, 2378, 2460, 2542, 2697, 2883, 3567, 3596, 3813, 3844, 4495, 4756, 4805, 5084, 5394, 5766, 5945, 6355, 7134, 7626, 8990, 9610, 10788, 11532, 11890, 12710, 13485, 14268, 14415, 15252, 17835, 17980, 19065, 19220, 23780, 25420, 26970, 27869, 28830, 35670, 36859, 38130, 39401, 53940, 55738, 57660, 71340, 73718, 76260, 78802, 83607, 110577, 111476, 118203, 139345, 147436, 157604, 167214, 184295, 197005, 221154, 236406, 278690, 334428, 368590, 394010, 418035, 442308, 472812, 552885, 557380, 591015, 737180, 788020, 836070, 1105770, 1142629, 1182030, 1672140, 2211540, 2285258, 2364060, 3427887, 4570516, 5713145, 6855774, 11426290, 13711548, 17139435, 22852580, 34278870, 68557740]

約数ペア:

[(1, 68557740), (2, 34278870), (3, 22852580), (4, 17139435), (5, 13711548), (6, 11426290), (10, 6855774), (12, 5713145), (15, 4570516), (20, 3427887), (29, 2364060), (30, 2285258), (31, 2211540), (41, 1672140), (58, 1182030), (60, 1142629), (62, 1105770), (82, 836070), (87, 788020), (93, 737180), (116, 591015), (123, 557380), (124, 552885), (145, 472812), (155, 442308), (164, 418035), (174, 394010), (186, 368590), (205, 334428), (246, 278690), (290, 236406), (310, 221154), (348, 197005), (372, 184295), (410, 167214), (435, 157604), (465, 147436), (492, 139345), (580, 118203), (615, 111476), (620, 110577), (820, 83607), (870, 78802), (899, 76260), (930, 73718), (961, 71340), (1189, 57660), (1230, 55738), (1271, 53940), (1740, 39401), (1798, 38130), (1860, 36859), (1922, 35670), (2378, 28830), (2460, 27869), (2542, 26970), (2697, 25420), (2883, 23780), (3567, 19220), (3596, 19065), (3813, 17980), (3844, 17835), (4495, 15252), (4756, 14415), (4805, 14268), (5084, 13485), (5394, 12710), (5766, 11890), (5945, 11532), (6355, 10788), (7134, 9610), (7626, 8990)]