2155404270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:830

約数の個数: 128

約数和(自身を含む): 5656412160

約数和(自身を除く): 3501007890

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 223, 285, 310, 446, 465, 547, 570, 589, 669, 930, 1094, 1115, 1178, 1338, 1641, 1767, 2230, 2735, 2945, 3282, 3345, 3534, 4237, 5470, 5890, 6690, 6913, 8205, 8474, 8835, 10393, 12711, 13826, 16410, 16957, 17670, 20739, 20786, 21185, 25422, 31179, 33914, 34565, 41478, 42370, 50871, 51965, 62358, 63555, 69130, 84785, 101742, 103695, 103930, 121981, 127110, 131347, 155895, 169570, 207390, 243962, 254355, 262694, 311790, 322183, 365943, 394041, 508710, 609905, 644366, 656735, 731886, 788082, 966549, 1219810, 1313470, 1610915, 1829715, 1933098, 1970205, 2317639, 3221830, 3659430, 3781411, 3940410, 4635278, 4832745, 6952917, 7562822, 9665490, 11344233, 11588195, 13905834, 18907055, 22688466, 23176390, 34764585, 37814110, 56721165, 69529170, 71846809, 113442330, 143693618, 215540427, 359234045, 431080854, 718468090, 1077702135, 2155404270]

約数ペア:

[(1, 2155404270), (2, 1077702135), (3, 718468090), (5, 431080854), (6, 359234045), (10, 215540427), (15, 143693618), (19, 113442330), (30, 71846809), (31, 69529170), (38, 56721165), (57, 37814110), (62, 34764585), (93, 23176390), (95, 22688466), (114, 18907055), (155, 13905834), (186, 11588195), (190, 11344233), (223, 9665490), (285, 7562822), (310, 6952917), (446, 4832745), (465, 4635278), (547, 3940410), (570, 3781411), (589, 3659430), (669, 3221830), (930, 2317639), (1094, 1970205), (1115, 1933098), (1178, 1829715), (1338, 1610915), (1641, 1313470), (1767, 1219810), (2230, 966549), (2735, 788082), (2945, 731886), (3282, 656735), (3345, 644366), (3534, 609905), (4237, 508710), (5470, 394041), (5890, 365943), (6690, 322183), (6913, 311790), (8205, 262694), (8474, 254355), (8835, 243962), (10393, 207390), (12711, 169570), (13826, 155895), (16410, 131347), (16957, 127110), (17670, 121981), (20739, 103930), (20786, 103695), (21185, 101742), (25422, 84785), (31179, 69130), (33914, 63555), (34565, 62358), (41478, 51965), (42370, 50871)]