30692980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 70912800

約数和(自身を除く): 40219820

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 59, 74, 76, 95, 118, 148, 185, 190, 236, 295, 370, 380, 590, 703, 740, 1121, 1180, 1369, 1406, 2183, 2242, 2738, 2812, 3515, 4366, 4484, 5476, 5605, 6845, 7030, 8732, 10915, 11210, 13690, 14060, 21830, 22420, 26011, 27380, 41477, 43660, 52022, 80771, 82954, 104044, 130055, 161542, 165908, 207385, 260110, 323084, 403855, 414770, 520220, 807710, 829540, 1534649, 1615420, 3069298, 6138596, 7673245, 15346490, 30692980]

約数ペア:

[(1, 30692980), (2, 15346490), (4, 7673245), (5, 6138596), (10, 3069298), (19, 1615420), (20, 1534649), (37, 829540), (38, 807710), (59, 520220), (74, 414770), (76, 403855), (95, 323084), (118, 260110), (148, 207385), (185, 165908), (190, 161542), (236, 130055), (295, 104044), (370, 82954), (380, 80771), (590, 52022), (703, 43660), (740, 41477), (1121, 27380), (1180, 26011), (1369, 22420), (1406, 21830), (2183, 14060), (2242, 13690), (2738, 11210), (2812, 10915), (3515, 8732), (4366, 7030), (4484, 6845), (5476, 5605)]