20921878560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{36353}}^1$

素因数の和:36491

約数の個数: 192

約数和(自身を含む): 72556767360

約数和(自身を除く): 51634888800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 109, 110, 120, 132, 160, 165, 176, 218, 220, 240, 264, 327, 330, 352, 436, 440, 480, 528, 545, 654, 660, 872, 880, 1056, 1090, 1199, 1308, 1320, 1635, 1744, 1760, 2180, 2398, 2616, 2640, 3270, 3488, 3597, 4360, 4796, 5232, 5280, 5995, 6540, 7194, 8720, 9592, 10464, 11990, 13080, 14388, 17440, 17985, 19184, 23980, 26160, 28776, 35970, 36353, 38368, 47960, 52320, 57552, 71940, 72706, 95920, 109059, 115104, 143880, 145412, 181765, 191840, 218118, 287760, 290824, 363530, 399883, 436236, 545295, 575520, 581648, 727060, 799766, 872472, 1090590, 1163296, 1199649, 1454120, 1599532, 1744944, 1999415, 2181180, 2399298, 2908240, 3199064, 3489888, 3962477, 3998830, 4362360, 4798596, 5816480, 5998245, 6398128, 7924954, 7997660, 8724720, 9597192, 11887431, 11996490, 12796256, 15849908, 15995320, 17449440, 19194384, 19812385, 23774862, 23992980, 31699816, 31990640, 38388768, 39624770, 43587247, 47549724, 47985960, 59437155, 63399632, 63981280, 79249540, 87174494, 95099448, 95971920, 118874310, 126799264, 130761741, 158499080, 174348988, 190198896, 191943840, 217936235, 237748620, 261523482, 316998160, 348697976, 380397792, 435872470, 475497240, 523046964, 633996320, 653808705, 697395952, 871744940, 950994480, 1046093928, 1307617410, 1394791904, 1743489880, 1901988960, 2092187856, 2615234820, 3486979760, 4184375712, 5230469640, 6973959520, 10460939280, 20921878560]

約数ペア:

[(1, 20921878560), (2, 10460939280), (3, 6973959520), (4, 5230469640), (5, 4184375712), (6, 3486979760), (8, 2615234820), (10, 2092187856), (11, 1901988960), (12, 1743489880), (15, 1394791904), (16, 1307617410), (20, 1046093928), (22, 950994480), (24, 871744940), (30, 697395952), (32, 653808705), (33, 633996320), (40, 523046964), (44, 475497240), (48, 435872470), (55, 380397792), (60, 348697976), (66, 316998160), (80, 261523482), (88, 237748620), (96, 217936235), (109, 191943840), (110, 190198896), (120, 174348988), (132, 158499080), (160, 130761741), (165, 126799264), (176, 118874310), (218, 95971920), (220, 95099448), (240, 87174494), (264, 79249540), (327, 63981280), (330, 63399632), (352, 59437155), (436, 47985960), (440, 47549724), (480, 43587247), (528, 39624770), (545, 38388768), (654, 31990640), (660, 31699816), (872, 23992980), (880, 23774862), (1056, 19812385), (1090, 19194384), (1199, 17449440), (1308, 15995320), (1320, 15849908), (1635, 12796256), (1744, 11996490), (1760, 11887431), (2180, 9597192), (2398, 8724720), (2616, 7997660), (2640, 7924954), (3270, 6398128), (3488, 5998245), (3597, 5816480), (4360, 4798596), (4796, 4362360), (5232, 3998830), (5280, 3962477), (5995, 3489888), (6540, 3199064), (7194, 2908240), (8720, 2399298), (9592, 2181180), (10464, 1999415), (11990, 1744944), (13080, 1599532), (14388, 1454120), (17440, 1199649), (17985, 1163296), (19184, 1090590), (23980, 872472), (26160, 799766), (28776, 727060), (35970, 581648), (36353, 575520), (38368, 545295), (47960, 436236), (52320, 399883), (57552, 363530), (71940, 290824), (72706, 287760), (95920, 218118), (109059, 191840), (115104, 181765), (143880, 145412)]