28402380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:520

約数の個数: 96

約数和(自身を含む): 89208000

約数和(自身を除く): 60805620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 149, 180, 270, 298, 353, 447, 540, 596, 706, 745, 894, 1059, 1341, 1412, 1490, 1765, 1788, 2118, 2235, 2682, 2980, 3177, 3530, 4023, 4236, 4470, 5295, 5364, 6354, 6705, 7060, 8046, 8940, 9531, 10590, 12708, 13410, 15885, 16092, 19062, 20115, 21180, 26820, 31770, 38124, 40230, 47655, 52597, 63540, 80460, 95310, 105194, 157791, 190620, 210388, 262985, 315582, 473373, 525970, 631164, 788955, 946746, 1051940, 1420119, 1577910, 1893492, 2366865, 2840238, 3155820, 4733730, 5680476, 7100595, 9467460, 14201190, 28402380]

約数ペア:

[(1, 28402380), (2, 14201190), (3, 9467460), (4, 7100595), (5, 5680476), (6, 4733730), (9, 3155820), (10, 2840238), (12, 2366865), (15, 1893492), (18, 1577910), (20, 1420119), (27, 1051940), (30, 946746), (36, 788955), (45, 631164), (54, 525970), (60, 473373), (90, 315582), (108, 262985), (135, 210388), (149, 190620), (180, 157791), (270, 105194), (298, 95310), (353, 80460), (447, 63540), (540, 52597), (596, 47655), (706, 40230), (745, 38124), (894, 31770), (1059, 26820), (1341, 21180), (1412, 20115), (1490, 19062), (1765, 16092), (1788, 15885), (2118, 13410), (2235, 12708), (2682, 10590), (2980, 9531), (3177, 8940), (3530, 8046), (4023, 7060), (4236, 6705), (4470, 6354), (5295, 5364)]