660664746

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 1747669248

約数和(自身を除く): 1087004502

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 73, 93, 98, 126, 146, 147, 186, 217, 219, 279, 294, 331, 434, 438, 441, 511, 558, 651, 657, 662, 882, 993, 1022, 1302, 1314, 1519, 1533, 1953, 1986, 2263, 2317, 2979, 3038, 3066, 3577, 3906, 4526, 4557, 4599, 4634, 5958, 6789, 6951, 7154, 9114, 9198, 10261, 10731, 13578, 13671, 13902, 15841, 16219, 20367, 20522, 20853, 21462, 24163, 27342, 30783, 31682, 32193, 32438, 40734, 41706, 47523, 48326, 48657, 61566, 64386, 71827, 72489, 92349, 95046, 97314, 110887, 142569, 143654, 144978, 145971, 169141, 184698, 215481, 217467, 221774, 285138, 291942, 332661, 338282, 430962, 434934, 502789, 507423, 646443, 665322, 749053, 997983, 1005578, 1014846, 1183987, 1292886, 1498106, 1508367, 1522269, 1995966, 2247159, 2367974, 3016734, 3044538, 3551961, 4494318, 4525101, 5243371, 6741477, 7103922, 9050202, 10486742, 10655883, 13482954, 15730113, 21311766, 31460226, 36703597, 47190339, 73407194, 94380678, 110110791, 220221582, 330332373, 660664746]

約数ペア:

[(1, 660664746), (2, 330332373), (3, 220221582), (6, 110110791), (7, 94380678), (9, 73407194), (14, 47190339), (18, 36703597), (21, 31460226), (31, 21311766), (42, 15730113), (49, 13482954), (62, 10655883), (63, 10486742), (73, 9050202), (93, 7103922), (98, 6741477), (126, 5243371), (146, 4525101), (147, 4494318), (186, 3551961), (217, 3044538), (219, 3016734), (279, 2367974), (294, 2247159), (331, 1995966), (434, 1522269), (438, 1508367), (441, 1498106), (511, 1292886), (558, 1183987), (651, 1014846), (657, 1005578), (662, 997983), (882, 749053), (993, 665322), (1022, 646443), (1302, 507423), (1314, 502789), (1519, 434934), (1533, 430962), (1953, 338282), (1986, 332661), (2263, 291942), (2317, 285138), (2979, 221774), (3038, 217467), (3066, 215481), (3577, 184698), (3906, 169141), (4526, 145971), (4557, 144978), (4599, 143654), (4634, 142569), (5958, 110887), (6789, 97314), (6951, 95046), (7154, 92349), (9114, 72489), (9198, 71827), (10261, 64386), (10731, 61566), (13578, 48657), (13671, 48326), (13902, 47523), (15841, 41706), (16219, 40734), (20367, 32438), (20522, 32193), (20853, 31682), (21462, 30783), (24163, 27342)]