1731218820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:618

約数の個数: 144

約数和(自身を含む): 5152387968

約数和(自身を除く): 3421169148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 257, 285, 311, 361, 380, 514, 570, 622, 722, 771, 933, 1028, 1083, 1140, 1244, 1285, 1444, 1542, 1555, 1805, 1866, 2166, 2570, 3084, 3110, 3610, 3732, 3855, 4332, 4665, 4883, 5140, 5415, 5909, 6220, 7220, 7710, 9330, 9766, 10830, 11818, 14649, 15420, 17727, 18660, 19532, 21660, 23636, 24415, 29298, 29545, 35454, 48830, 58596, 59090, 70908, 73245, 79927, 88635, 92777, 97660, 112271, 118180, 146490, 159854, 177270, 185554, 224542, 239781, 278331, 292980, 319708, 336813, 354540, 371108, 399635, 449084, 463885, 479562, 556662, 561355, 673626, 799270, 927770, 959124, 1113324, 1122710, 1198905, 1347252, 1391655, 1518613, 1598540, 1684065, 1855540, 2245420, 2397810, 2783310, 3037226, 3368130, 4555839, 4795620, 5566620, 6074452, 6736260, 7593065, 9111678, 15186130, 18223356, 22779195, 28853647, 30372260, 45558390, 57707294, 86560941, 91116780, 115414588, 144268235, 173121882, 288536470, 346243764, 432804705, 577072940, 865609410, 1731218820]

約数ペア:

[(1, 1731218820), (2, 865609410), (3, 577072940), (4, 432804705), (5, 346243764), (6, 288536470), (10, 173121882), (12, 144268235), (15, 115414588), (19, 91116780), (20, 86560941), (30, 57707294), (38, 45558390), (57, 30372260), (60, 28853647), (76, 22779195), (95, 18223356), (114, 15186130), (190, 9111678), (228, 7593065), (257, 6736260), (285, 6074452), (311, 5566620), (361, 4795620), (380, 4555839), (514, 3368130), (570, 3037226), (622, 2783310), (722, 2397810), (771, 2245420), (933, 1855540), (1028, 1684065), (1083, 1598540), (1140, 1518613), (1244, 1391655), (1285, 1347252), (1444, 1198905), (1542, 1122710), (1555, 1113324), (1805, 959124), (1866, 927770), (2166, 799270), (2570, 673626), (3084, 561355), (3110, 556662), (3610, 479562), (3732, 463885), (3855, 449084), (4332, 399635), (4665, 371108), (4883, 354540), (5140, 336813), (5415, 319708), (5909, 292980), (6220, 278331), (7220, 239781), (7710, 224542), (9330, 185554), (9766, 177270), (10830, 159854), (11818, 146490), (14649, 118180), (15420, 112271), (17727, 97660), (18660, 92777), (19532, 88635), (21660, 79927), (23636, 73245), (24415, 70908), (29298, 59090), (29545, 58596), (35454, 48830)]