65721240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 256

約数和(自身を含む): 245145600

約数和(自身を除く): 179424360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 52, 54, 60, 62, 65, 72, 78, 90, 93, 104, 108, 117, 120, 124, 130, 135, 151, 155, 156, 180, 186, 195, 216, 234, 248, 260, 270, 279, 302, 310, 312, 351, 360, 372, 390, 403, 453, 465, 468, 520, 540, 558, 585, 604, 620, 702, 744, 755, 780, 806, 837, 906, 930, 936, 1080, 1116, 1170, 1208, 1209, 1240, 1359, 1395, 1404, 1510, 1560, 1612, 1674, 1755, 1812, 1860, 1963, 2015, 2232, 2265, 2340, 2418, 2718, 2790, 2808, 3020, 3224, 3348, 3510, 3624, 3627, 3720, 3926, 4030, 4077, 4185, 4530, 4680, 4681, 4836, 5436, 5580, 5889, 6040, 6045, 6696, 6795, 7020, 7254, 7852, 8060, 8154, 8370, 9060, 9362, 9672, 9815, 10872, 10881, 11160, 11778, 12090, 13590, 14040, 14043, 14508, 15704, 16120, 16308, 16740, 17667, 18120, 18135, 18724, 19630, 20385, 21762, 23405, 23556, 24180, 27180, 28086, 29016, 29445, 32616, 33480, 35334, 36270, 37448, 39260, 40770, 42129, 43524, 46810, 47112, 48360, 53001, 54360, 54405, 56172, 58890, 60853, 70215, 70668, 72540, 78520, 81540, 84258, 87048, 88335, 93620, 106002, 108810, 112344, 117780, 121706, 126387, 140430, 141336, 145080, 163080, 168516, 176670, 182559, 187240, 210645, 212004, 217620, 235560, 243412, 252774, 265005, 280860, 304265, 337032, 353340, 365118, 421290, 424008, 435240, 486824, 505548, 530010, 547677, 561720, 608530, 631935, 706680, 730236, 842580, 912795, 1011096, 1060020, 1095354, 1217060, 1263870, 1460472, 1643031, 1685160, 1825590, 2120040, 2190708, 2434120, 2527740, 2738385, 3286062, 3651180, 4381416, 5055480, 5476770, 6572124, 7302360, 8215155, 10953540, 13144248, 16430310, 21907080, 32860620, 65721240]

約数ペア:

[(1, 65721240), (2, 32860620), (3, 21907080), (4, 16430310), (5, 13144248), (6, 10953540), (8, 8215155), (9, 7302360), (10, 6572124), (12, 5476770), (13, 5055480), (15, 4381416), (18, 3651180), (20, 3286062), (24, 2738385), (26, 2527740), (27, 2434120), (30, 2190708), (31, 2120040), (36, 1825590), (39, 1685160), (40, 1643031), (45, 1460472), (52, 1263870), (54, 1217060), (60, 1095354), (62, 1060020), (65, 1011096), (72, 912795), (78, 842580), (90, 730236), (93, 706680), (104, 631935), (108, 608530), (117, 561720), (120, 547677), (124, 530010), (130, 505548), (135, 486824), (151, 435240), (155, 424008), (156, 421290), (180, 365118), (186, 353340), (195, 337032), (216, 304265), (234, 280860), (248, 265005), (260, 252774), (270, 243412), (279, 235560), (302, 217620), (310, 212004), (312, 210645), (351, 187240), (360, 182559), (372, 176670), (390, 168516), (403, 163080), (453, 145080), (465, 141336), (468, 140430), (520, 126387), (540, 121706), (558, 117780), (585, 112344), (604, 108810), (620, 106002), (702, 93620), (744, 88335), (755, 87048), (780, 84258), (806, 81540), (837, 78520), (906, 72540), (930, 70668), (936, 70215), (1080, 60853), (1116, 58890), (1170, 56172), (1208, 54405), (1209, 54360), (1240, 53001), (1359, 48360), (1395, 47112), (1404, 46810), (1510, 43524), (1560, 42129), (1612, 40770), (1674, 39260), (1755, 37448), (1812, 36270), (1860, 35334), (1963, 33480), (2015, 32616), (2232, 29445), (2265, 29016), (2340, 28086), (2418, 27180), (2718, 24180), (2790, 23556), (2808, 23405), (3020, 21762), (3224, 20385), (3348, 19630), (3510, 18724), (3624, 18135), (3627, 18120), (3720, 17667), (3926, 16740), (4030, 16308), (4077, 16120), (4185, 15704), (4530, 14508), (4680, 14043), (4681, 14040), (4836, 13590), (5436, 12090), (5580, 11778), (5889, 11160), (6040, 10881), (6045, 10872), (6696, 9815), (6795, 9672), (7020, 9362), (7254, 9060), (7852, 8370), (8060, 8154)]