154320980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 364743456

約数和(自身を除く): 210422476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 860, 946, 1210, 1483, 1892, 2365, 2420, 2966, 4730, 5203, 5932, 7415, 9460, 10406, 14830, 16313, 20812, 26015, 29660, 32626, 52030, 63769, 65252, 81565, 104060, 127538, 163130, 179443, 255076, 318845, 326260, 358886, 637690, 701459, 717772, 897215, 1275380, 1402918, 1794430, 2805836, 3507295, 3588860, 7014590, 7716049, 14029180, 15432098, 30864196, 38580245, 77160490, 154320980]

約数ペア:

[(1, 154320980), (2, 77160490), (4, 38580245), (5, 30864196), (10, 15432098), (11, 14029180), (20, 7716049), (22, 7014590), (43, 3588860), (44, 3507295), (55, 2805836), (86, 1794430), (110, 1402918), (121, 1275380), (172, 897215), (215, 717772), (220, 701459), (242, 637690), (430, 358886), (473, 326260), (484, 318845), (605, 255076), (860, 179443), (946, 163130), (1210, 127538), (1483, 104060), (1892, 81565), (2365, 65252), (2420, 63769), (2966, 52030), (4730, 32626), (5203, 29660), (5932, 26015), (7415, 20812), (9460, 16313), (10406, 14830)]