20124572580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{21211}}^1$

素因数の和:21487

約数の個数: 192

約数和(自身を含む): 71842498560

約数和(自身を除く): 51717925980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 251, 252, 270, 315, 378, 420, 502, 540, 630, 753, 756, 945, 1004, 1255, 1260, 1506, 1757, 1890, 2259, 2510, 3012, 3514, 3765, 3780, 4518, 5020, 5271, 6777, 7028, 7530, 8785, 9036, 10542, 11295, 13554, 15060, 15813, 17570, 21084, 21211, 22590, 26355, 27108, 31626, 33885, 35140, 42422, 45180, 47439, 52710, 63252, 63633, 67770, 79065, 84844, 94878, 105420, 106055, 127266, 135540, 148477, 158130, 189756, 190899, 212110, 237195, 254532, 296954, 316260, 318165, 381798, 424220, 445431, 474390, 572697, 593908, 636330, 742385, 763596, 890862, 948780, 954495, 1145394, 1272660, 1336293, 1484770, 1781724, 1908990, 2227155, 2290788, 2672586, 2863485, 2969540, 3817980, 4008879, 4454310, 5323961, 5345172, 5726970, 6681465, 8017758, 8908620, 10647922, 11453940, 13362930, 15971883, 16035516, 20044395, 21295844, 26619805, 26725860, 31943766, 37267727, 40088790, 47915649, 53239610, 63887532, 74535454, 79859415, 80177580, 95831298, 106479220, 111803181, 143746947, 149070908, 159718830, 186338635, 191662596, 223606362, 239578245, 287493894, 319437660, 335409543, 372677270, 447212724, 479156490, 559015905, 574987788, 670819086, 718734735, 745354540, 958312980, 1006228629, 1118031810, 1341638172, 1437469470, 1677047715, 2012457258, 2236063620, 2874938940, 3354095430, 4024914516, 5031143145, 6708190860, 10062286290, 20124572580]

約数ペア:

[(1, 20124572580), (2, 10062286290), (3, 6708190860), (4, 5031143145), (5, 4024914516), (6, 3354095430), (7, 2874938940), (9, 2236063620), (10, 2012457258), (12, 1677047715), (14, 1437469470), (15, 1341638172), (18, 1118031810), (20, 1006228629), (21, 958312980), (27, 745354540), (28, 718734735), (30, 670819086), (35, 574987788), (36, 559015905), (42, 479156490), (45, 447212724), (54, 372677270), (60, 335409543), (63, 319437660), (70, 287493894), (84, 239578245), (90, 223606362), (105, 191662596), (108, 186338635), (126, 159718830), (135, 149070908), (140, 143746947), (180, 111803181), (189, 106479220), (210, 95831298), (251, 80177580), (252, 79859415), (270, 74535454), (315, 63887532), (378, 53239610), (420, 47915649), (502, 40088790), (540, 37267727), (630, 31943766), (753, 26725860), (756, 26619805), (945, 21295844), (1004, 20044395), (1255, 16035516), (1260, 15971883), (1506, 13362930), (1757, 11453940), (1890, 10647922), (2259, 8908620), (2510, 8017758), (3012, 6681465), (3514, 5726970), (3765, 5345172), (3780, 5323961), (4518, 4454310), (5020, 4008879), (5271, 3817980), (6777, 2969540), (7028, 2863485), (7530, 2672586), (8785, 2290788), (9036, 2227155), (10542, 1908990), (11295, 1781724), (13554, 1484770), (15060, 1336293), (15813, 1272660), (17570, 1145394), (21084, 954495), (21211, 948780), (22590, 890862), (26355, 763596), (27108, 742385), (31626, 636330), (33885, 593908), (35140, 572697), (42422, 474390), (45180, 445431), (47439, 424220), (52710, 381798), (63252, 318165), (63633, 316260), (67770, 296954), (79065, 254532), (84844, 237195), (94878, 212110), (105420, 190899), (106055, 189756), (127266, 158130), (135540, 148477)]