20571819480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{6607}}^1$

素因数の和:6692

約数の個数: 240

約数和(自身を含む): 71457392160

約数和(自身を除く): 50885572680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 540, 558, 620, 648, 744, 810, 837, 930, 961, 1080, 1116, 1240, 1395, 1620, 1674, 1860, 1922, 2232, 2511, 2790, 2883, 3240, 3348, 3720, 3844, 4185, 4805, 5022, 5580, 5766, 6607, 6696, 7688, 8370, 8649, 9610, 10044, 11160, 11532, 12555, 13214, 14415, 16740, 17298, 19220, 19821, 20088, 23064, 25110, 25947, 26428, 28830, 33035, 33480, 34596, 38440, 39642, 43245, 50220, 51894, 52856, 57660, 59463, 66070, 69192, 77841, 79284, 86490, 99105, 100440, 103788, 115320, 118926, 129735, 132140, 155682, 158568, 172980, 178389, 198210, 204817, 207576, 237852, 259470, 264280, 297315, 311364, 345960, 356778, 389205, 396420, 409634, 475704, 518940, 535167, 594630, 614451, 622728, 713556, 778410, 792840, 819268, 891945, 1024085, 1037880, 1070334, 1189260, 1228902, 1427112, 1556820, 1638536, 1783890, 1843353, 2048170, 2140668, 2378520, 2457804, 2675835, 3072255, 3113640, 3567780, 3686706, 4096340, 4281336, 4915608, 5351670, 5530059, 6144510, 6349327, 7135560, 7373412, 8192680, 9216765, 10703340, 11060118, 12289020, 12698654, 14746824, 16590177, 18433530, 19047981, 21406680, 22120236, 24578040, 25397308, 27650295, 31746635, 33180354, 36867060, 38095962, 44240472, 50794616, 55300590, 57143943, 63493270, 66360708, 73734120, 76191924, 82950885, 95239905, 110601180, 114287886, 126986540, 132721416, 152383848, 165901770, 171431829, 190479810, 221202360, 228575772, 253973080, 285719715, 331803540, 342863658, 380959620, 457151544, 514295487, 571439430, 663607080, 685727316, 761919240, 857159145, 1028590974, 1142878860, 1371454632, 1714318290, 2057181948, 2285757720, 2571477435, 3428636580, 4114363896, 5142954870, 6857273160, 10285909740, 20571819480]

約数ペア:

[(1, 20571819480), (2, 10285909740), (3, 6857273160), (4, 5142954870), (5, 4114363896), (6, 3428636580), (8, 2571477435), (9, 2285757720), (10, 2057181948), (12, 1714318290), (15, 1371454632), (18, 1142878860), (20, 1028590974), (24, 857159145), (27, 761919240), (30, 685727316), (31, 663607080), (36, 571439430), (40, 514295487), (45, 457151544), (54, 380959620), (60, 342863658), (62, 331803540), (72, 285719715), (81, 253973080), (90, 228575772), (93, 221202360), (108, 190479810), (120, 171431829), (124, 165901770), (135, 152383848), (155, 132721416), (162, 126986540), (180, 114287886), (186, 110601180), (216, 95239905), (248, 82950885), (270, 76191924), (279, 73734120), (310, 66360708), (324, 63493270), (360, 57143943), (372, 55300590), (405, 50794616), (465, 44240472), (540, 38095962), (558, 36867060), (620, 33180354), (648, 31746635), (744, 27650295), (810, 25397308), (837, 24578040), (930, 22120236), (961, 21406680), (1080, 19047981), (1116, 18433530), (1240, 16590177), (1395, 14746824), (1620, 12698654), (1674, 12289020), (1860, 11060118), (1922, 10703340), (2232, 9216765), (2511, 8192680), (2790, 7373412), (2883, 7135560), (3240, 6349327), (3348, 6144510), (3720, 5530059), (3844, 5351670), (4185, 4915608), (4805, 4281336), (5022, 4096340), (5580, 3686706), (5766, 3567780), (6607, 3113640), (6696, 3072255), (7688, 2675835), (8370, 2457804), (8649, 2378520), (9610, 2140668), (10044, 2048170), (11160, 1843353), (11532, 1783890), (12555, 1638536), (13214, 1556820), (14415, 1427112), (16740, 1228902), (17298, 1189260), (19220, 1070334), (19821, 1037880), (20088, 1024085), (23064, 891945), (25110, 819268), (25947, 792840), (26428, 778410), (28830, 713556), (33035, 622728), (33480, 614451), (34596, 594630), (38440, 535167), (39642, 518940), (43245, 475704), (50220, 409634), (51894, 396420), (52856, 389205), (57660, 356778), (59463, 345960), (66070, 311364), (69192, 297315), (77841, 264280), (79284, 259470), (86490, 237852), (99105, 207576), (100440, 204817), (103788, 198210), (115320, 178389), (118926, 172980), (129735, 158568), (132140, 155682)]