405771390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 1118499840

約数和(自身を除く): 712728450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 71, 90, 122, 135, 142, 183, 213, 270, 305, 347, 355, 366, 426, 549, 610, 639, 694, 710, 915, 1041, 1065, 1098, 1278, 1647, 1735, 1830, 1917, 2082, 2130, 2745, 3123, 3195, 3294, 3470, 3834, 4331, 5205, 5490, 6246, 6390, 8235, 8662, 9369, 9585, 10410, 12993, 15615, 16470, 18738, 19170, 21167, 21655, 24637, 25986, 31230, 38979, 42334, 43310, 46845, 49274, 63501, 64965, 73911, 77958, 93690, 105835, 116937, 123185, 127002, 129930, 147822, 190503, 194895, 211670, 221733, 233874, 246370, 317505, 369555, 381006, 389790, 443466, 571509, 584685, 635010, 665199, 739110, 952515, 1108665, 1143018, 1169370, 1330398, 1502857, 1905030, 2217330, 2857545, 3005714, 3325995, 4508571, 5715090, 6651990, 7514285, 9017142, 13525713, 15028570, 22542855, 27051426, 40577139, 45085710, 67628565, 81154278, 135257130, 202885695, 405771390]

約数ペア:

[(1, 405771390), (2, 202885695), (3, 135257130), (5, 81154278), (6, 67628565), (9, 45085710), (10, 40577139), (15, 27051426), (18, 22542855), (27, 15028570), (30, 13525713), (45, 9017142), (54, 7514285), (61, 6651990), (71, 5715090), (90, 4508571), (122, 3325995), (135, 3005714), (142, 2857545), (183, 2217330), (213, 1905030), (270, 1502857), (305, 1330398), (347, 1169370), (355, 1143018), (366, 1108665), (426, 952515), (549, 739110), (610, 665199), (639, 635010), (694, 584685), (710, 571509), (915, 443466), (1041, 389790), (1065, 381006), (1098, 369555), (1278, 317505), (1647, 246370), (1735, 233874), (1830, 221733), (1917, 211670), (2082, 194895), (2130, 190503), (2745, 147822), (3123, 129930), (3195, 127002), (3294, 123185), (3470, 116937), (3834, 105835), (4331, 93690), (5205, 77958), (5490, 73911), (6246, 64965), (6390, 63501), (8235, 49274), (8662, 46845), (9369, 43310), (9585, 42334), (10410, 38979), (12993, 31230), (15615, 25986), (16470, 24637), (18738, 21655), (19170, 21167)]