67928940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 221719680

約数和(自身を除く): 153790740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 79, 85, 90, 102, 153, 158, 170, 180, 204, 237, 255, 281, 306, 316, 340, 395, 474, 510, 562, 612, 711, 765, 790, 843, 948, 1020, 1124, 1185, 1343, 1405, 1422, 1530, 1580, 1686, 2370, 2529, 2686, 2810, 2844, 3060, 3372, 3555, 4029, 4215, 4740, 4777, 5058, 5372, 5620, 6715, 7110, 8058, 8430, 9554, 10116, 12087, 12645, 13430, 14220, 14331, 16116, 16860, 19108, 20145, 22199, 23885, 24174, 25290, 26860, 28662, 40290, 42993, 44398, 47770, 48348, 50580, 57324, 60435, 66597, 71655, 80580, 85986, 88796, 95540, 110995, 120870, 133194, 143310, 171972, 199791, 214965, 221990, 241740, 266388, 286620, 332985, 377383, 399582, 429930, 443980, 665970, 754766, 799164, 859860, 998955, 1132149, 1331940, 1509532, 1886915, 1997910, 2264298, 3396447, 3773830, 3995820, 4528596, 5660745, 6792894, 7547660, 11321490, 13585788, 16982235, 22642980, 33964470, 67928940]

約数ペア:

[(1, 67928940), (2, 33964470), (3, 22642980), (4, 16982235), (5, 13585788), (6, 11321490), (9, 7547660), (10, 6792894), (12, 5660745), (15, 4528596), (17, 3995820), (18, 3773830), (20, 3396447), (30, 2264298), (34, 1997910), (36, 1886915), (45, 1509532), (51, 1331940), (60, 1132149), (68, 998955), (79, 859860), (85, 799164), (90, 754766), (102, 665970), (153, 443980), (158, 429930), (170, 399582), (180, 377383), (204, 332985), (237, 286620), (255, 266388), (281, 241740), (306, 221990), (316, 214965), (340, 199791), (395, 171972), (474, 143310), (510, 133194), (562, 120870), (612, 110995), (711, 95540), (765, 88796), (790, 85986), (843, 80580), (948, 71655), (1020, 66597), (1124, 60435), (1185, 57324), (1343, 50580), (1405, 48348), (1422, 47770), (1530, 44398), (1580, 42993), (1686, 40290), (2370, 28662), (2529, 26860), (2686, 25290), (2810, 24174), (2844, 23885), (3060, 22199), (3372, 20145), (3555, 19108), (4029, 16860), (4215, 16116), (4740, 14331), (4777, 14220), (5058, 13430), (5372, 12645), (5620, 12087), (6715, 10116), (7110, 9554), (8058, 8430)]