20761775475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:478

約数の個数: 192

約数和(自身を含む): 42437760000

約数和(自身を除く): 21675984525

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 61, 75, 95, 105, 133, 149, 175, 183, 229, 285, 305, 399, 427, 447, 475, 525, 665, 687, 745, 915, 1043, 1145, 1159, 1281, 1425, 1525, 1603, 1995, 2135, 2235, 2831, 3129, 3325, 3435, 3477, 3725, 4351, 4575, 4809, 5215, 5725, 5795, 6405, 8015, 8113, 8493, 9089, 9975, 10675, 11175, 13053, 13969, 14155, 15645, 17175, 17385, 19817, 21755, 24045, 24339, 26075, 27267, 28975, 30457, 32025, 34121, 40075, 40565, 41907, 42465, 45445, 59451, 63623, 65265, 69845, 70775, 78225, 86925, 91371, 97783, 99085, 102363, 108775, 120225, 121695, 136335, 152285, 170605, 172691, 190869, 202825, 209535, 212325, 227225, 238847, 265411, 293349, 297255, 318115, 326325, 349225, 456855, 488915, 495425, 511815, 518073, 608475, 648299, 681675, 716541, 761425, 796233, 853025, 863455, 954345, 1047675, 1194235, 1208837, 1327055, 1466745, 1486275, 1590575, 1857877, 1944897, 2081381, 2284275, 2444575, 2559075, 2590365, 3241495, 3582705, 3626511, 3981165, 4317275, 4538093, 4771725, 5573631, 5971175, 6044185, 6244143, 6635275, 7333725, 9289385, 9724485, 10406905, 12951825, 13614279, 14569667, 16207475, 17913525, 18132555, 19905825, 22690465, 27868155, 30220925, 31220715, 39546239, 43709001, 46446925, 48622425, 52034525, 68071395, 72848335, 90662775, 113452325, 118638717, 139340775, 156103575, 197731195, 218545005, 276823673, 340356975, 364241675, 593193585, 830471019, 988655975, 1092725025, 1384118365, 2965967925, 4152355095, 6920591825, 20761775475]

約数ペア:

[(1, 20761775475), (3, 6920591825), (5, 4152355095), (7, 2965967925), (15, 1384118365), (19, 1092725025), (21, 988655975), (25, 830471019), (35, 593193585), (57, 364241675), (61, 340356975), (75, 276823673), (95, 218545005), (105, 197731195), (133, 156103575), (149, 139340775), (175, 118638717), (183, 113452325), (229, 90662775), (285, 72848335), (305, 68071395), (399, 52034525), (427, 48622425), (447, 46446925), (475, 43709001), (525, 39546239), (665, 31220715), (687, 30220925), (745, 27868155), (915, 22690465), (1043, 19905825), (1145, 18132555), (1159, 17913525), (1281, 16207475), (1425, 14569667), (1525, 13614279), (1603, 12951825), (1995, 10406905), (2135, 9724485), (2235, 9289385), (2831, 7333725), (3129, 6635275), (3325, 6244143), (3435, 6044185), (3477, 5971175), (3725, 5573631), (4351, 4771725), (4575, 4538093), (4809, 4317275), (5215, 3981165), (5725, 3626511), (5795, 3582705), (6405, 3241495), (8015, 2590365), (8113, 2559075), (8493, 2444575), (9089, 2284275), (9975, 2081381), (10675, 1944897), (11175, 1857877), (13053, 1590575), (13969, 1486275), (14155, 1466745), (15645, 1327055), (17175, 1208837), (17385, 1194235), (19817, 1047675), (21755, 954345), (24045, 863455), (24339, 853025), (26075, 796233), (27267, 761425), (28975, 716541), (30457, 681675), (32025, 648299), (34121, 608475), (40075, 518073), (40565, 511815), (41907, 495425), (42465, 488915), (45445, 456855), (59451, 349225), (63623, 326325), (65265, 318115), (69845, 297255), (70775, 293349), (78225, 265411), (86925, 238847), (91371, 227225), (97783, 212325), (99085, 209535), (102363, 202825), (108775, 190869), (120225, 172691), (121695, 170605), (136335, 152285)]