20127440160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{23027}}^1$

素因数の和:23655

約数の個数: 144

約数和(自身を含む): 68801031936

約数和(自身を除く): 48673591776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 607, 720, 1214, 1440, 1821, 2428, 3035, 3642, 4856, 5463, 6070, 7284, 9105, 9712, 10926, 12140, 14568, 18210, 19424, 21852, 23027, 24280, 27315, 29136, 36420, 43704, 46054, 48560, 54630, 58272, 69081, 72840, 87408, 92108, 97120, 109260, 115135, 138162, 145680, 174816, 184216, 207243, 218520, 230270, 276324, 291360, 345405, 368432, 414486, 437040, 460540, 552648, 690810, 736864, 828972, 874080, 921080, 1036215, 1105296, 1381620, 1657944, 1842160, 2072430, 2210592, 2763240, 3315888, 3684320, 4144860, 5526480, 6631776, 8289720, 11052960, 13977389, 16579440, 27954778, 33158880, 41932167, 55909556, 69886945, 83864334, 111819112, 125796501, 139773890, 167728668, 209660835, 223638224, 251593002, 279547780, 335457336, 419321670, 447276448, 503186004, 559095560, 628982505, 670914672, 838643340, 1006372008, 1118191120, 1257965010, 1341829344, 1677286680, 2012744016, 2236382240, 2515930020, 3354573360, 4025488032, 5031860040, 6709146720, 10063720080, 20127440160]

約数ペア:

[(1, 20127440160), (2, 10063720080), (3, 6709146720), (4, 5031860040), (5, 4025488032), (6, 3354573360), (8, 2515930020), (9, 2236382240), (10, 2012744016), (12, 1677286680), (15, 1341829344), (16, 1257965010), (18, 1118191120), (20, 1006372008), (24, 838643340), (30, 670914672), (32, 628982505), (36, 559095560), (40, 503186004), (45, 447276448), (48, 419321670), (60, 335457336), (72, 279547780), (80, 251593002), (90, 223638224), (96, 209660835), (120, 167728668), (144, 139773890), (160, 125796501), (180, 111819112), (240, 83864334), (288, 69886945), (360, 55909556), (480, 41932167), (607, 33158880), (720, 27954778), (1214, 16579440), (1440, 13977389), (1821, 11052960), (2428, 8289720), (3035, 6631776), (3642, 5526480), (4856, 4144860), (5463, 3684320), (6070, 3315888), (7284, 2763240), (9105, 2210592), (9712, 2072430), (10926, 1842160), (12140, 1657944), (14568, 1381620), (18210, 1105296), (19424, 1036215), (21852, 921080), (23027, 874080), (24280, 828972), (27315, 736864), (29136, 690810), (36420, 552648), (43704, 460540), (46054, 437040), (48560, 414486), (54630, 368432), (58272, 345405), (69081, 291360), (72840, 276324), (87408, 230270), (92108, 218520), (97120, 207243), (109260, 184216), (115135, 174816), (138162, 145680)]