20764388640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{31189}}^1$

素因数の和:31299

約数の個数: 192

約数和(自身を含む): 69795734400

約数和(自身を除く): 49031345760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 73, 76, 80, 95, 96, 114, 120, 146, 152, 160, 190, 219, 228, 240, 285, 292, 304, 365, 380, 438, 456, 480, 570, 584, 608, 730, 760, 876, 912, 1095, 1140, 1168, 1387, 1460, 1520, 1752, 1824, 2190, 2280, 2336, 2774, 2920, 3040, 3504, 4161, 4380, 4560, 5548, 5840, 6935, 7008, 8322, 8760, 9120, 11096, 11680, 13870, 16644, 17520, 20805, 22192, 27740, 31189, 33288, 35040, 41610, 44384, 55480, 62378, 66576, 83220, 93567, 110960, 124756, 133152, 155945, 166440, 187134, 221920, 249512, 311890, 332880, 374268, 467835, 499024, 592591, 623780, 665760, 748536, 935670, 998048, 1185182, 1247560, 1497072, 1777773, 1871340, 2276797, 2370364, 2495120, 2962955, 2994144, 3555546, 3742680, 4553594, 4740728, 4990240, 5925910, 6830391, 7111092, 7485360, 8888865, 9107188, 9481456, 11383985, 11851820, 13660782, 14222184, 14970720, 17777730, 18214376, 18962912, 22767970, 23703640, 27321564, 28444368, 34151955, 35555460, 36428752, 43259143, 45535940, 47407280, 54643128, 56888736, 68303910, 71110920, 72857504, 86518286, 91071880, 94814560, 109286256, 129777429, 136607820, 142221840, 173036572, 182143760, 216295715, 218572512, 259554858, 273215640, 284443680, 346073144, 364287520, 432591430, 519109716, 546431280, 648887145, 692146288, 865182860, 1038219432, 1092862560, 1297774290, 1384292576, 1730365720, 2076438864, 2595548580, 3460731440, 4152877728, 5191097160, 6921462880, 10382194320, 20764388640]

約数ペア:

[(1, 20764388640), (2, 10382194320), (3, 6921462880), (4, 5191097160), (5, 4152877728), (6, 3460731440), (8, 2595548580), (10, 2076438864), (12, 1730365720), (15, 1384292576), (16, 1297774290), (19, 1092862560), (20, 1038219432), (24, 865182860), (30, 692146288), (32, 648887145), (38, 546431280), (40, 519109716), (48, 432591430), (57, 364287520), (60, 346073144), (73, 284443680), (76, 273215640), (80, 259554858), (95, 218572512), (96, 216295715), (114, 182143760), (120, 173036572), (146, 142221840), (152, 136607820), (160, 129777429), (190, 109286256), (219, 94814560), (228, 91071880), (240, 86518286), (285, 72857504), (292, 71110920), (304, 68303910), (365, 56888736), (380, 54643128), (438, 47407280), (456, 45535940), (480, 43259143), (570, 36428752), (584, 35555460), (608, 34151955), (730, 28444368), (760, 27321564), (876, 23703640), (912, 22767970), (1095, 18962912), (1140, 18214376), (1168, 17777730), (1387, 14970720), (1460, 14222184), (1520, 13660782), (1752, 11851820), (1824, 11383985), (2190, 9481456), (2280, 9107188), (2336, 8888865), (2774, 7485360), (2920, 7111092), (3040, 6830391), (3504, 5925910), (4161, 4990240), (4380, 4740728), (4560, 4553594), (5548, 3742680), (5840, 3555546), (6935, 2994144), (7008, 2962955), (8322, 2495120), (8760, 2370364), (9120, 2276797), (11096, 1871340), (11680, 1777773), (13870, 1497072), (16644, 1247560), (17520, 1185182), (20805, 998048), (22192, 935670), (27740, 748536), (31189, 665760), (33288, 623780), (35040, 592591), (41610, 499024), (44384, 467835), (55480, 374268), (62378, 332880), (66576, 311890), (83220, 249512), (93567, 221920), (110960, 187134), (124756, 166440), (133152, 155945)]