328614720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:725

約数の個数: 224

約数和(自身を含む): 1209446400

約数和(自身を除く): 880831680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 192, 210, 224, 237, 240, 280, 316, 320, 336, 395, 420, 448, 474, 480, 553, 560, 619, 632, 672, 790, 840, 948, 960, 1106, 1120, 1185, 1238, 1264, 1344, 1580, 1659, 1680, 1857, 1896, 2212, 2240, 2370, 2476, 2528, 2765, 3095, 3160, 3318, 3360, 3714, 3792, 4333, 4424, 4740, 4952, 5056, 5530, 6190, 6320, 6636, 6720, 7428, 7584, 8295, 8666, 8848, 9285, 9480, 9904, 11060, 12380, 12640, 12999, 13272, 14856, 15168, 16590, 17332, 17696, 18570, 18960, 19808, 21665, 22120, 24760, 25280, 25998, 26544, 29712, 33180, 34664, 35392, 37140, 37920, 39616, 43330, 44240, 48901, 49520, 51996, 53088, 59424, 64995, 66360, 69328, 74280, 75840, 86660, 88480, 97802, 99040, 103992, 106176, 118848, 129990, 132720, 138656, 146703, 148560, 173320, 176960, 195604, 198080, 207984, 244505, 259980, 265440, 277312, 293406, 297120, 342307, 346640, 391208, 415968, 489010, 519960, 530880, 586812, 594240, 684614, 693280, 733515, 782416, 831936, 978020, 1026921, 1039920, 1173624, 1369228, 1386560, 1467030, 1564832, 1711535, 1956040, 2053842, 2079840, 2347248, 2738456, 2934060, 3129664, 3423070, 3912080, 4107684, 4159680, 4694496, 5134605, 5476912, 5868120, 6846140, 7824160, 8215368, 9388992, 10269210, 10953824, 11736240, 13692280, 15648320, 16430736, 20538420, 21907648, 23472480, 27384560, 32861472, 41076840, 46944960, 54769120, 65722944, 82153680, 109538240, 164307360, 328614720]

約数ペア:

[(1, 328614720), (2, 164307360), (3, 109538240), (4, 82153680), (5, 65722944), (6, 54769120), (7, 46944960), (8, 41076840), (10, 32861472), (12, 27384560), (14, 23472480), (15, 21907648), (16, 20538420), (20, 16430736), (21, 15648320), (24, 13692280), (28, 11736240), (30, 10953824), (32, 10269210), (35, 9388992), (40, 8215368), (42, 7824160), (48, 6846140), (56, 5868120), (60, 5476912), (64, 5134605), (70, 4694496), (79, 4159680), (80, 4107684), (84, 3912080), (96, 3423070), (105, 3129664), (112, 2934060), (120, 2738456), (140, 2347248), (158, 2079840), (160, 2053842), (168, 1956040), (192, 1711535), (210, 1564832), (224, 1467030), (237, 1386560), (240, 1369228), (280, 1173624), (316, 1039920), (320, 1026921), (336, 978020), (395, 831936), (420, 782416), (448, 733515), (474, 693280), (480, 684614), (553, 594240), (560, 586812), (619, 530880), (632, 519960), (672, 489010), (790, 415968), (840, 391208), (948, 346640), (960, 342307), (1106, 297120), (1120, 293406), (1185, 277312), (1238, 265440), (1264, 259980), (1344, 244505), (1580, 207984), (1659, 198080), (1680, 195604), (1857, 176960), (1896, 173320), (2212, 148560), (2240, 146703), (2370, 138656), (2476, 132720), (2528, 129990), (2765, 118848), (3095, 106176), (3160, 103992), (3318, 99040), (3360, 97802), (3714, 88480), (3792, 86660), (4333, 75840), (4424, 74280), (4740, 69328), (4952, 66360), (5056, 64995), (5530, 59424), (6190, 53088), (6320, 51996), (6636, 49520), (6720, 48901), (7428, 44240), (7584, 43330), (8295, 39616), (8666, 37920), (8848, 37140), (9285, 35392), (9480, 34664), (9904, 33180), (11060, 29712), (12380, 26544), (12640, 25998), (12999, 25280), (13272, 24760), (14856, 22120), (15168, 21665), (16590, 19808), (17332, 18960), (17696, 18570)]