20871279480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1\times {\mathrm{4373}}^1$

素因数の和:5701

約数の個数: 128

約数和(自身を含む): 64698808320

約数和(自身を除く): 43827528840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1283, 1860, 2566, 3720, 3849, 4373, 5132, 6415, 7698, 8746, 10264, 12830, 13119, 15396, 17492, 19245, 21865, 25660, 26238, 30792, 34984, 38490, 39773, 43730, 51320, 52476, 65595, 76980, 79546, 87460, 104952, 119319, 131190, 135563, 153960, 159092, 174920, 198865, 238638, 262380, 271126, 318184, 397730, 406689, 477276, 524760, 542252, 596595, 677815, 795460, 813378, 954552, 1084504, 1193190, 1355630, 1590920, 1626756, 2033445, 2386380, 2711260, 3253512, 4066890, 4772760, 5422520, 5610559, 8133780, 11221118, 16267560, 16831677, 22442236, 28052795, 33663354, 44884472, 56105590, 67326708, 84158385, 112211180, 134653416, 168316770, 173927329, 224422360, 336633540, 347854658, 521781987, 673267080, 695709316, 869636645, 1043563974, 1391418632, 1739273290, 2087127948, 2608909935, 3478546580, 4174255896, 5217819870, 6957093160, 10435639740, 20871279480]

約数ペア:

[(1, 20871279480), (2, 10435639740), (3, 6957093160), (4, 5217819870), (5, 4174255896), (6, 3478546580), (8, 2608909935), (10, 2087127948), (12, 1739273290), (15, 1391418632), (20, 1043563974), (24, 869636645), (30, 695709316), (31, 673267080), (40, 521781987), (60, 347854658), (62, 336633540), (93, 224422360), (120, 173927329), (124, 168316770), (155, 134653416), (186, 112211180), (248, 84158385), (310, 67326708), (372, 56105590), (465, 44884472), (620, 33663354), (744, 28052795), (930, 22442236), (1240, 16831677), (1283, 16267560), (1860, 11221118), (2566, 8133780), (3720, 5610559), (3849, 5422520), (4373, 4772760), (5132, 4066890), (6415, 3253512), (7698, 2711260), (8746, 2386380), (10264, 2033445), (12830, 1626756), (13119, 1590920), (15396, 1355630), (17492, 1193190), (19245, 1084504), (21865, 954552), (25660, 813378), (26238, 795460), (30792, 677815), (34984, 596595), (38490, 542252), (39773, 524760), (43730, 477276), (51320, 406689), (52476, 397730), (65595, 318184), (76980, 271126), (79546, 262380), (87460, 238638), (104952, 198865), (119319, 174920), (131190, 159092), (135563, 153960)]