21473129600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16651}}^1$

素因数の和:16719

約数の個数: 192

約数和(自身を含む): 58972058880

約数和(自身を除く): 37498929280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 248, 260, 310, 320, 325, 400, 403, 416, 496, 520, 620, 640, 650, 775, 800, 806, 832, 992, 1040, 1240, 1300, 1550, 1600, 1612, 1664, 1984, 2015, 2080, 2480, 2600, 3100, 3200, 3224, 3968, 4030, 4160, 4960, 5200, 6200, 6448, 8060, 8320, 9920, 10075, 10400, 12400, 12896, 16120, 16651, 19840, 20150, 20800, 24800, 25792, 32240, 33302, 40300, 41600, 49600, 51584, 64480, 66604, 80600, 83255, 99200, 128960, 133208, 161200, 166510, 216463, 257920, 266416, 322400, 333020, 416275, 432926, 516181, 532832, 644800, 666040, 832550, 865852, 1032362, 1065664, 1082315, 1289600, 1332080, 1665100, 1731704, 2064724, 2131328, 2164630, 2580905, 2664160, 3330200, 3463408, 4129448, 4329260, 5161810, 5328320, 5411575, 6660400, 6710353, 6926816, 8258896, 8658520, 10323620, 10656640, 10823150, 12904525, 13320800, 13420706, 13853632, 16517792, 17317040, 20647240, 21646300, 25809050, 26641600, 26841412, 27707264, 33035584, 33551765, 34634080, 41294480, 43292600, 51618100, 53283200, 53682824, 66071168, 67103530, 69268160, 82588960, 86585200, 103236200, 107365648, 134207060, 138536320, 165177920, 167758825, 173170400, 206472400, 214731296, 268414120, 330355840, 335517650, 346340800, 412944800, 429462592, 536828240, 671035300, 692681600, 825889600, 858925184, 1073656480, 1342070600, 1651779200, 2147312960, 2684141200, 4294625920, 5368282400, 10736564800, 21473129600]

約数ペア:

[(1, 21473129600), (2, 10736564800), (4, 5368282400), (5, 4294625920), (8, 2684141200), (10, 2147312960), (13, 1651779200), (16, 1342070600), (20, 1073656480), (25, 858925184), (26, 825889600), (31, 692681600), (32, 671035300), (40, 536828240), (50, 429462592), (52, 412944800), (62, 346340800), (64, 335517650), (65, 330355840), (80, 268414120), (100, 214731296), (104, 206472400), (124, 173170400), (128, 167758825), (130, 165177920), (155, 138536320), (160, 134207060), (200, 107365648), (208, 103236200), (248, 86585200), (260, 82588960), (310, 69268160), (320, 67103530), (325, 66071168), (400, 53682824), (403, 53283200), (416, 51618100), (496, 43292600), (520, 41294480), (620, 34634080), (640, 33551765), (650, 33035584), (775, 27707264), (800, 26841412), (806, 26641600), (832, 25809050), (992, 21646300), (1040, 20647240), (1240, 17317040), (1300, 16517792), (1550, 13853632), (1600, 13420706), (1612, 13320800), (1664, 12904525), (1984, 10823150), (2015, 10656640), (2080, 10323620), (2480, 8658520), (2600, 8258896), (3100, 6926816), (3200, 6710353), (3224, 6660400), (3968, 5411575), (4030, 5328320), (4160, 5161810), (4960, 4329260), (5200, 4129448), (6200, 3463408), (6448, 3330200), (8060, 2664160), (8320, 2580905), (9920, 2164630), (10075, 2131328), (10400, 2064724), (12400, 1731704), (12896, 1665100), (16120, 1332080), (16651, 1289600), (19840, 1082315), (20150, 1065664), (20800, 1032362), (24800, 865852), (25792, 832550), (32240, 666040), (33302, 644800), (40300, 532832), (41600, 516181), (49600, 432926), (51584, 416275), (64480, 333020), (66604, 322400), (80600, 266416), (83255, 257920), (99200, 216463), (128960, 166510), (133208, 161200)]