39818340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 121637880

約数和(自身を除く): 81819540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1409, 1413, 1570, 1884, 2355, 2818, 2826, 3140, 4227, 4710, 5636, 5652, 7045, 7065, 8454, 9420, 12681, 14090, 14130, 16908, 21135, 25362, 28180, 28260, 42270, 50724, 63405, 84540, 126810, 221213, 253620, 442426, 663639, 884852, 1106065, 1327278, 1990917, 2212130, 2654556, 3318195, 3981834, 4424260, 6636390, 7963668, 9954585, 13272780, 19909170, 39818340]

約数ペア:

[(1, 39818340), (2, 19909170), (3, 13272780), (4, 9954585), (5, 7963668), (6, 6636390), (9, 4424260), (10, 3981834), (12, 3318195), (15, 2654556), (18, 2212130), (20, 1990917), (30, 1327278), (36, 1106065), (45, 884852), (60, 663639), (90, 442426), (157, 253620), (180, 221213), (314, 126810), (471, 84540), (628, 63405), (785, 50724), (942, 42270), (1409, 28260), (1413, 28180), (1570, 25362), (1884, 21135), (2355, 16908), (2818, 14130), (2826, 14090), (3140, 12681), (4227, 9420), (4710, 8454), (5636, 7065), (5652, 7045)]