81798420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 265446720

約数和(自身を除く): 183648300

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 121, 132, 165, 190, 209, 220, 228, 242, 285, 330, 363, 380, 418, 484, 570, 593, 605, 627, 660, 726, 836, 1045, 1140, 1186, 1210, 1254, 1452, 1779, 1815, 2090, 2299, 2372, 2420, 2508, 2965, 3135, 3558, 3630, 4180, 4598, 5930, 6270, 6523, 6897, 7116, 7260, 8895, 9196, 11267, 11495, 11860, 12540, 13046, 13794, 17790, 19569, 22534, 22990, 26092, 27588, 32615, 33801, 34485, 35580, 39138, 45068, 45980, 56335, 65230, 67602, 68970, 71753, 78276, 97845, 112670, 123937, 130460, 135204, 137940, 143506, 169005, 195690, 215259, 225340, 247874, 287012, 338010, 358765, 371811, 391380, 430518, 495748, 619685, 676020, 717530, 743622, 861036, 1076295, 1239370, 1363307, 1435060, 1487244, 1859055, 2152590, 2478740, 2726614, 3718110, 4089921, 4305180, 5453228, 6816535, 7436220, 8179842, 13633070, 16359684, 20449605, 27266140, 40899210, 81798420]

約数ペア:

[(1, 81798420), (2, 40899210), (3, 27266140), (4, 20449605), (5, 16359684), (6, 13633070), (10, 8179842), (11, 7436220), (12, 6816535), (15, 5453228), (19, 4305180), (20, 4089921), (22, 3718110), (30, 2726614), (33, 2478740), (38, 2152590), (44, 1859055), (55, 1487244), (57, 1435060), (60, 1363307), (66, 1239370), (76, 1076295), (95, 861036), (110, 743622), (114, 717530), (121, 676020), (132, 619685), (165, 495748), (190, 430518), (209, 391380), (220, 371811), (228, 358765), (242, 338010), (285, 287012), (330, 247874), (363, 225340), (380, 215259), (418, 195690), (484, 169005), (570, 143506), (593, 137940), (605, 135204), (627, 130460), (660, 123937), (726, 112670), (836, 97845), (1045, 78276), (1140, 71753), (1186, 68970), (1210, 67602), (1254, 65230), (1452, 56335), (1779, 45980), (1815, 45068), (2090, 39138), (2299, 35580), (2372, 34485), (2420, 33801), (2508, 32615), (2965, 27588), (3135, 26092), (3558, 22990), (3630, 22534), (4180, 19569), (4598, 17790), (5930, 13794), (6270, 13046), (6523, 12540), (6897, 11860), (7116, 11495), (7260, 11267), (8895, 9196)]