1990623840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2865

約数の個数: 192

約数和(自身を含む): 6716364480

約数和(自身を除く): 4725740640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 89, 96, 102, 120, 136, 160, 170, 178, 204, 240, 255, 267, 272, 340, 356, 408, 445, 480, 510, 534, 544, 680, 712, 816, 890, 1020, 1068, 1335, 1360, 1424, 1513, 1632, 1780, 2040, 2136, 2670, 2720, 2741, 2848, 3026, 3560, 4080, 4272, 4539, 5340, 5482, 6052, 7120, 7565, 8160, 8223, 8544, 9078, 10680, 10964, 12104, 13705, 14240, 15130, 16446, 18156, 21360, 21928, 22695, 24208, 27410, 30260, 32892, 36312, 41115, 42720, 43856, 45390, 46597, 48416, 54820, 60520, 65784, 72624, 82230, 87712, 90780, 93194, 109640, 121040, 131568, 139791, 145248, 164460, 181560, 186388, 219280, 232985, 242080, 243949, 263136, 279582, 328920, 363120, 372776, 438560, 465970, 487898, 559164, 657840, 698955, 726240, 731847, 745552, 931940, 975796, 1118328, 1219745, 1315680, 1397910, 1463694, 1491104, 1863880, 1951592, 2236656, 2439490, 2795820, 2927388, 3659235, 3727760, 3903184, 4147133, 4473312, 4878980, 5591640, 5854776, 7318470, 7455520, 7806368, 8294266, 9757960, 11183280, 11709552, 12441399, 14636940, 16588532, 19515920, 20735665, 22366560, 23419104, 24882798, 29273880, 33177064, 39031840, 41471330, 49765596, 58547760, 62206995, 66354128, 82942660, 99531192, 117095520, 124413990, 132708256, 165885320, 199062384, 248827980, 331770640, 398124768, 497655960, 663541280, 995311920, 1990623840]

約数ペア:

[(1, 1990623840), (2, 995311920), (3, 663541280), (4, 497655960), (5, 398124768), (6, 331770640), (8, 248827980), (10, 199062384), (12, 165885320), (15, 132708256), (16, 124413990), (17, 117095520), (20, 99531192), (24, 82942660), (30, 66354128), (32, 62206995), (34, 58547760), (40, 49765596), (48, 41471330), (51, 39031840), (60, 33177064), (68, 29273880), (80, 24882798), (85, 23419104), (89, 22366560), (96, 20735665), (102, 19515920), (120, 16588532), (136, 14636940), (160, 12441399), (170, 11709552), (178, 11183280), (204, 9757960), (240, 8294266), (255, 7806368), (267, 7455520), (272, 7318470), (340, 5854776), (356, 5591640), (408, 4878980), (445, 4473312), (480, 4147133), (510, 3903184), (534, 3727760), (544, 3659235), (680, 2927388), (712, 2795820), (816, 2439490), (890, 2236656), (1020, 1951592), (1068, 1863880), (1335, 1491104), (1360, 1463694), (1424, 1397910), (1513, 1315680), (1632, 1219745), (1780, 1118328), (2040, 975796), (2136, 931940), (2670, 745552), (2720, 731847), (2741, 726240), (2848, 698955), (3026, 657840), (3560, 559164), (4080, 487898), (4272, 465970), (4539, 438560), (5340, 372776), (5482, 363120), (6052, 328920), (7120, 279582), (7565, 263136), (8160, 243949), (8223, 242080), (8544, 232985), (9078, 219280), (10680, 186388), (10964, 181560), (12104, 164460), (13705, 145248), (14240, 139791), (15130, 131568), (16446, 121040), (18156, 109640), (21360, 93194), (21928, 90780), (22695, 87712), (24208, 82230), (27410, 72624), (30260, 65784), (32892, 60520), (36312, 54820), (41115, 48416), (42720, 46597), (43856, 45390)]