30956940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 109025280

約数和(自身を除く): 78068340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 311, 315, 316, 395, 420, 474, 553, 622, 630, 711, 790, 933, 948, 1106, 1185, 1244, 1260, 1422, 1555, 1580, 1659, 1866, 2177, 2212, 2370, 2765, 2799, 2844, 3110, 3318, 3555, 3732, 4354, 4665, 4740, 4977, 5530, 5598, 6220, 6531, 6636, 7110, 8295, 8708, 9330, 9954, 10885, 11060, 11196, 13062, 13995, 14220, 16590, 18660, 19593, 19908, 21770, 24569, 24885, 26124, 27990, 32655, 33180, 39186, 43540, 49138, 49770, 55980, 65310, 73707, 78372, 97965, 98276, 99540, 122845, 130620, 147414, 171983, 195930, 221121, 245690, 294828, 343966, 368535, 391860, 442242, 491380, 515949, 687932, 737070, 859915, 884484, 1031898, 1105605, 1474140, 1547847, 1719830, 2063796, 2211210, 2579745, 3095694, 3439660, 4422420, 5159490, 6191388, 7739235, 10318980, 15478470, 30956940]

約数ペア:

[(1, 30956940), (2, 15478470), (3, 10318980), (4, 7739235), (5, 6191388), (6, 5159490), (7, 4422420), (9, 3439660), (10, 3095694), (12, 2579745), (14, 2211210), (15, 2063796), (18, 1719830), (20, 1547847), (21, 1474140), (28, 1105605), (30, 1031898), (35, 884484), (36, 859915), (42, 737070), (45, 687932), (60, 515949), (63, 491380), (70, 442242), (79, 391860), (84, 368535), (90, 343966), (105, 294828), (126, 245690), (140, 221121), (158, 195930), (180, 171983), (210, 147414), (237, 130620), (252, 122845), (311, 99540), (315, 98276), (316, 97965), (395, 78372), (420, 73707), (474, 65310), (553, 55980), (622, 49770), (630, 49138), (711, 43540), (790, 39186), (933, 33180), (948, 32655), (1106, 27990), (1185, 26124), (1244, 24885), (1260, 24569), (1422, 21770), (1555, 19908), (1580, 19593), (1659, 18660), (1866, 16590), (2177, 14220), (2212, 13995), (2370, 13062), (2765, 11196), (2799, 11060), (2844, 10885), (3110, 9954), (3318, 9330), (3555, 8708), (3732, 8295), (4354, 7110), (4665, 6636), (4740, 6531), (4977, 6220), (5530, 5598)]