68473720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 189273600

約数和(自身を除く): 120799880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 95, 122, 133, 140, 152, 190, 211, 244, 266, 280, 305, 380, 422, 427, 488, 532, 610, 665, 760, 844, 854, 1055, 1064, 1159, 1220, 1330, 1477, 1688, 1708, 2110, 2135, 2318, 2440, 2660, 2954, 3416, 4009, 4220, 4270, 4636, 5320, 5795, 5908, 7385, 8018, 8113, 8440, 8540, 9272, 11590, 11816, 12871, 14770, 16036, 16226, 17080, 20045, 23180, 25742, 28063, 29540, 32072, 32452, 40090, 40565, 46360, 51484, 56126, 59080, 64355, 64904, 80180, 81130, 90097, 102968, 112252, 128710, 140315, 160360, 162260, 180194, 224504, 244549, 257420, 280630, 324520, 360388, 450485, 489098, 514840, 561260, 720776, 900970, 978196, 1122520, 1222745, 1711843, 1801940, 1956392, 2445490, 3423686, 3603880, 4890980, 6847372, 8559215, 9781960, 13694744, 17118430, 34236860, 68473720]

約数ペア:

[(1, 68473720), (2, 34236860), (4, 17118430), (5, 13694744), (7, 9781960), (8, 8559215), (10, 6847372), (14, 4890980), (19, 3603880), (20, 3423686), (28, 2445490), (35, 1956392), (38, 1801940), (40, 1711843), (56, 1222745), (61, 1122520), (70, 978196), (76, 900970), (95, 720776), (122, 561260), (133, 514840), (140, 489098), (152, 450485), (190, 360388), (211, 324520), (244, 280630), (266, 257420), (280, 244549), (305, 224504), (380, 180194), (422, 162260), (427, 160360), (488, 140315), (532, 128710), (610, 112252), (665, 102968), (760, 90097), (844, 81130), (854, 80180), (1055, 64904), (1064, 64355), (1159, 59080), (1220, 56126), (1330, 51484), (1477, 46360), (1688, 40565), (1708, 40090), (2110, 32452), (2135, 32072), (2318, 29540), (2440, 28063), (2660, 25742), (2954, 23180), (3416, 20045), (4009, 17080), (4220, 16226), (4270, 16036), (4636, 14770), (5320, 12871), (5795, 11816), (5908, 11590), (7385, 9272), (8018, 8540), (8113, 8440)]