72381990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1069}}^1$

素因数の和:1177

約数の個数: 64

約数和(自身を含む): 181506240

約数和(自身を除く): 109124250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 61, 74, 111, 122, 183, 185, 222, 305, 366, 370, 555, 610, 915, 1069, 1110, 1830, 2138, 2257, 3207, 4514, 5345, 6414, 6771, 10690, 11285, 13542, 16035, 22570, 32070, 33855, 39553, 65209, 67710, 79106, 118659, 130418, 195627, 197765, 237318, 326045, 391254, 395530, 593295, 652090, 978135, 1186590, 1956270, 2412733, 4825466, 7238199, 12063665, 14476398, 24127330, 36190995, 72381990]

約数ペア:

[(1, 72381990), (2, 36190995), (3, 24127330), (5, 14476398), (6, 12063665), (10, 7238199), (15, 4825466), (30, 2412733), (37, 1956270), (61, 1186590), (74, 978135), (111, 652090), (122, 593295), (183, 395530), (185, 391254), (222, 326045), (305, 237318), (366, 197765), (370, 195627), (555, 130418), (610, 118659), (915, 79106), (1069, 67710), (1110, 65209), (1830, 39553), (2138, 33855), (2257, 32070), (3207, 22570), (4514, 16035), (5345, 13542), (6414, 11285), (6771, 10690)]