155983240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 427368960

約数和(自身を除く): 271385720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 53, 56, 70, 92, 106, 115, 140, 161, 184, 212, 230, 265, 280, 322, 371, 424, 457, 460, 530, 644, 742, 805, 914, 920, 1060, 1219, 1288, 1484, 1610, 1828, 1855, 2120, 2285, 2438, 2968, 3199, 3220, 3656, 3710, 4570, 4876, 6095, 6398, 6440, 7420, 8533, 9140, 9752, 10511, 12190, 12796, 14840, 15995, 17066, 18280, 21022, 24221, 24380, 25592, 31990, 34132, 42044, 42665, 48442, 48760, 52555, 63980, 68264, 73577, 84088, 85330, 96884, 105110, 121105, 127960, 147154, 169547, 170660, 193768, 210220, 242210, 294308, 339094, 341320, 367885, 420440, 484420, 557083, 588616, 678188, 735770, 847735, 968840, 1114166, 1356376, 1471540, 1695470, 2228332, 2785415, 2943080, 3390940, 3899581, 4456664, 5570830, 6781880, 7799162, 11141660, 15598324, 19497905, 22283320, 31196648, 38995810, 77991620, 155983240]

約数ペア:

[(1, 155983240), (2, 77991620), (4, 38995810), (5, 31196648), (7, 22283320), (8, 19497905), (10, 15598324), (14, 11141660), (20, 7799162), (23, 6781880), (28, 5570830), (35, 4456664), (40, 3899581), (46, 3390940), (53, 2943080), (56, 2785415), (70, 2228332), (92, 1695470), (106, 1471540), (115, 1356376), (140, 1114166), (161, 968840), (184, 847735), (212, 735770), (230, 678188), (265, 588616), (280, 557083), (322, 484420), (371, 420440), (424, 367885), (457, 341320), (460, 339094), (530, 294308), (644, 242210), (742, 210220), (805, 193768), (914, 170660), (920, 169547), (1060, 147154), (1219, 127960), (1288, 121105), (1484, 105110), (1610, 96884), (1828, 85330), (1855, 84088), (2120, 73577), (2285, 68264), (2438, 63980), (2968, 52555), (3199, 48760), (3220, 48442), (3656, 42665), (3710, 42044), (4570, 34132), (4876, 31990), (6095, 25592), (6398, 24380), (6440, 24221), (7420, 21022), (8533, 18280), (9140, 17066), (9752, 15995), (10511, 14840), (12190, 12796)]