80878070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 191987712

約数和(自身を除く): 111109642

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 47, 61, 62, 65, 70, 91, 94, 122, 130, 155, 182, 217, 235, 305, 310, 329, 403, 427, 434, 455, 470, 610, 611, 658, 793, 806, 854, 910, 1085, 1222, 1457, 1586, 1645, 1891, 2015, 2135, 2170, 2821, 2867, 2914, 3055, 3290, 3782, 3965, 4030, 4270, 4277, 5551, 5642, 5734, 6110, 7285, 7930, 8554, 9455, 10199, 11102, 13237, 14105, 14335, 14570, 18910, 18941, 20069, 20398, 21385, 24583, 26474, 27755, 28210, 28670, 37271, 37882, 40138, 42770, 49166, 50995, 55510, 66185, 74542, 88877, 94705, 100345, 101990, 122915, 132370, 132587, 172081, 177754, 186355, 189410, 200690, 245830, 260897, 265174, 344162, 372710, 444385, 521794, 622139, 662935, 860405, 888770, 1155401, 1244278, 1304485, 1325870, 1720810, 2310802, 2608970, 3110695, 5777005, 6221390, 8087807, 11554010, 16175614, 40439035, 80878070]

約数ペア:

[(1, 80878070), (2, 40439035), (5, 16175614), (7, 11554010), (10, 8087807), (13, 6221390), (14, 5777005), (26, 3110695), (31, 2608970), (35, 2310802), (47, 1720810), (61, 1325870), (62, 1304485), (65, 1244278), (70, 1155401), (91, 888770), (94, 860405), (122, 662935), (130, 622139), (155, 521794), (182, 444385), (217, 372710), (235, 344162), (305, 265174), (310, 260897), (329, 245830), (403, 200690), (427, 189410), (434, 186355), (455, 177754), (470, 172081), (610, 132587), (611, 132370), (658, 122915), (793, 101990), (806, 100345), (854, 94705), (910, 88877), (1085, 74542), (1222, 66185), (1457, 55510), (1586, 50995), (1645, 49166), (1891, 42770), (2015, 40138), (2135, 37882), (2170, 37271), (2821, 28670), (2867, 28210), (2914, 27755), (3055, 26474), (3290, 24583), (3782, 21385), (3965, 20398), (4030, 20069), (4270, 18941), (4277, 18910), (5551, 14570), (5642, 14335), (5734, 14105), (6110, 13237), (7285, 11102), (7930, 10199), (8554, 9455)]