81582390

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 168

約数和(自身を含む): 239865408

約数和(自身を除く): 158283018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 31, 38, 45, 54, 57, 62, 81, 90, 93, 95, 114, 135, 155, 162, 171, 186, 190, 243, 270, 279, 285, 310, 342, 361, 405, 465, 486, 513, 558, 570, 589, 722, 729, 810, 837, 855, 930, 1026, 1083, 1178, 1215, 1395, 1458, 1539, 1674, 1710, 1767, 1805, 2166, 2430, 2511, 2565, 2790, 2945, 3078, 3249, 3534, 3610, 3645, 4185, 4617, 5022, 5130, 5301, 5415, 5890, 6498, 7290, 7533, 7695, 8370, 8835, 9234, 9747, 10602, 10830, 11191, 12555, 13851, 15066, 15390, 15903, 16245, 17670, 19494, 22382, 22599, 23085, 25110, 26505, 27702, 29241, 31806, 32490, 33573, 37665, 45198, 46170, 47709, 48735, 53010, 55955, 58482, 67146, 69255, 75330, 79515, 87723, 95418, 97470, 100719, 111910, 112995, 138510, 143127, 146205, 159030, 167865, 175446, 201438, 225990, 238545, 263169, 286254, 292410, 302157, 335730, 429381, 438615, 477090, 503595, 526338, 604314, 715635, 858762, 877230, 906471, 1007190, 1315845, 1431270, 1510785, 1812942, 2146905, 2631690, 2719413, 3021570, 4293810, 4532355, 5438826, 8158239, 9064710, 13597065, 16316478, 27194130, 40791195, 81582390]

約数ペア:

[(1, 81582390), (2, 40791195), (3, 27194130), (5, 16316478), (6, 13597065), (9, 9064710), (10, 8158239), (15, 5438826), (18, 4532355), (19, 4293810), (27, 3021570), (30, 2719413), (31, 2631690), (38, 2146905), (45, 1812942), (54, 1510785), (57, 1431270), (62, 1315845), (81, 1007190), (90, 906471), (93, 877230), (95, 858762), (114, 715635), (135, 604314), (155, 526338), (162, 503595), (171, 477090), (186, 438615), (190, 429381), (243, 335730), (270, 302157), (279, 292410), (285, 286254), (310, 263169), (342, 238545), (361, 225990), (405, 201438), (465, 175446), (486, 167865), (513, 159030), (558, 146205), (570, 143127), (589, 138510), (722, 112995), (729, 111910), (810, 100719), (837, 97470), (855, 95418), (930, 87723), (1026, 79515), (1083, 75330), (1178, 69255), (1215, 67146), (1395, 58482), (1458, 55955), (1539, 53010), (1674, 48735), (1710, 47709), (1767, 46170), (1805, 45198), (2166, 37665), (2430, 33573), (2511, 32490), (2565, 31806), (2790, 29241), (2945, 27702), (3078, 26505), (3249, 25110), (3534, 23085), (3610, 22599), (3645, 22382), (4185, 19494), (4617, 17670), (5022, 16245), (5130, 15903), (5301, 15390), (5415, 15066), (5890, 13851), (6498, 12555), (7290, 11191), (7533, 10830), (7695, 10602), (8370, 9747), (8835, 9234)]