254671740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38239}}^1$

素因数の和:38291

約数の個数: 72

約数和(自身を含む): 793403520

約数和(自身を除く): 538731780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 38239, 76478, 114717, 152956, 191195, 229434, 344151, 382390, 458868, 573585, 688302, 764780, 1147170, 1376604, 1414843, 1720755, 2294340, 2829686, 3441510, 4244529, 5659372, 6883020, 7074215, 8489058, 12733587, 14148430, 16978116, 21222645, 25467174, 28296860, 42445290, 50934348, 63667935, 84890580, 127335870, 254671740]

約数ペア:

[(1, 254671740), (2, 127335870), (3, 84890580), (4, 63667935), (5, 50934348), (6, 42445290), (9, 28296860), (10, 25467174), (12, 21222645), (15, 16978116), (18, 14148430), (20, 12733587), (30, 8489058), (36, 7074215), (37, 6883020), (45, 5659372), (60, 4244529), (74, 3441510), (90, 2829686), (111, 2294340), (148, 1720755), (180, 1414843), (185, 1376604), (222, 1147170), (333, 764780), (370, 688302), (444, 573585), (555, 458868), (666, 382390), (740, 344151), (1110, 229434), (1332, 191195), (1665, 152956), (2220, 114717), (3330, 76478), (6660, 38239)]