178084620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 216

約数和(自身を含む): 640615248

約数和(自身を除く): 462530628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 61, 63, 70, 84, 90, 98, 105, 122, 126, 140, 147, 180, 183, 196, 210, 244, 245, 252, 294, 305, 315, 331, 366, 420, 427, 441, 490, 549, 588, 610, 630, 662, 732, 735, 854, 882, 915, 980, 993, 1098, 1220, 1260, 1281, 1324, 1470, 1655, 1708, 1764, 1830, 1986, 2135, 2196, 2205, 2317, 2562, 2745, 2940, 2979, 2989, 3310, 3660, 3843, 3972, 4270, 4410, 4634, 4965, 5124, 5490, 5958, 5978, 6405, 6620, 6951, 7686, 8540, 8820, 8967, 9268, 9930, 10980, 11585, 11916, 11956, 12810, 13902, 14895, 14945, 15372, 16219, 17934, 19215, 19860, 20191, 20853, 23170, 25620, 26901, 27804, 29790, 29890, 32438, 34755, 35868, 38430, 40382, 41706, 44835, 46340, 48657, 53802, 59580, 59780, 60573, 64876, 69510, 76860, 80764, 81095, 83412, 89670, 97314, 100955, 104265, 107604, 121146, 134505, 139020, 141337, 145971, 162190, 179340, 181719, 194628, 201910, 208530, 242292, 243285, 269010, 282674, 291942, 302865, 324380, 363438, 403820, 417060, 424011, 486570, 538020, 565348, 583884, 605730, 706685, 726876, 729855, 848022, 908595, 973140, 989359, 1211460, 1272033, 1413370, 1459710, 1696044, 1817190, 1978718, 2120055, 2544066, 2826740, 2919420, 2968077, 3634380, 3957436, 4240110, 4946795, 5088132, 5936154, 6360165, 8480220, 8904231, 9893590, 11872308, 12720330, 14840385, 17808462, 19787180, 25440660, 29680770, 35616924, 44521155, 59361540, 89042310, 178084620]

約数ペア:

[(1, 178084620), (2, 89042310), (3, 59361540), (4, 44521155), (5, 35616924), (6, 29680770), (7, 25440660), (9, 19787180), (10, 17808462), (12, 14840385), (14, 12720330), (15, 11872308), (18, 9893590), (20, 8904231), (21, 8480220), (28, 6360165), (30, 5936154), (35, 5088132), (36, 4946795), (42, 4240110), (45, 3957436), (49, 3634380), (60, 2968077), (61, 2919420), (63, 2826740), (70, 2544066), (84, 2120055), (90, 1978718), (98, 1817190), (105, 1696044), (122, 1459710), (126, 1413370), (140, 1272033), (147, 1211460), (180, 989359), (183, 973140), (196, 908595), (210, 848022), (244, 729855), (245, 726876), (252, 706685), (294, 605730), (305, 583884), (315, 565348), (331, 538020), (366, 486570), (420, 424011), (427, 417060), (441, 403820), (490, 363438), (549, 324380), (588, 302865), (610, 291942), (630, 282674), (662, 269010), (732, 243285), (735, 242292), (854, 208530), (882, 201910), (915, 194628), (980, 181719), (993, 179340), (1098, 162190), (1220, 145971), (1260, 141337), (1281, 139020), (1324, 134505), (1470, 121146), (1655, 107604), (1708, 104265), (1764, 100955), (1830, 97314), (1986, 89670), (2135, 83412), (2196, 81095), (2205, 80764), (2317, 76860), (2562, 69510), (2745, 64876), (2940, 60573), (2979, 59780), (2989, 59580), (3310, 53802), (3660, 48657), (3843, 46340), (3972, 44835), (4270, 41706), (4410, 40382), (4634, 38430), (4965, 35868), (5124, 34755), (5490, 32438), (5958, 29890), (5978, 29790), (6405, 27804), (6620, 26901), (6951, 25620), (7686, 23170), (8540, 20853), (8820, 20191), (8967, 19860), (9268, 19215), (9930, 17934), (10980, 16219), (11585, 15372), (11916, 14945), (11956, 14895), (12810, 13902)]