2319323920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{80309}}^1$

素因数の和:80360

約数の個数: 60

約数和(自身を含む): 5691248460

約数和(自身を除く): 3371924540

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 7220, 14440, 28880, 80309, 160618, 321236, 401545, 642472, 803090, 1284944, 1525871, 1606180, 3051742, 3212360, 6103484, 6424720, 7629355, 12206968, 15258710, 24413936, 28991549, 30517420, 57983098, 61034840, 115966196, 122069680, 144957745, 231932392, 289915490, 463864784, 579830980, 1159661960, 2319323920]

約数ペア:

[(1, 2319323920), (2, 1159661960), (4, 579830980), (5, 463864784), (8, 289915490), (10, 231932392), (16, 144957745), (19, 122069680), (20, 115966196), (38, 61034840), (40, 57983098), (76, 30517420), (80, 28991549), (95, 24413936), (152, 15258710), (190, 12206968), (304, 7629355), (361, 6424720), (380, 6103484), (722, 3212360), (760, 3051742), (1444, 1606180), (1520, 1525871), (1805, 1284944), (2888, 803090), (3610, 642472), (5776, 401545), (7220, 321236), (14440, 160618), (28880, 80309)]