728978320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:693

約数の個数: 160

約数和(自身を含む): 2058439680

約数和(自身を除く): 1329461360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 131, 133, 140, 152, 190, 262, 266, 280, 304, 380, 523, 524, 532, 560, 655, 665, 760, 917, 1046, 1048, 1064, 1310, 1330, 1520, 1834, 2092, 2096, 2128, 2489, 2615, 2620, 2660, 3661, 3668, 4184, 4585, 4978, 5230, 5240, 5320, 7322, 7336, 8368, 9170, 9937, 9956, 10460, 10480, 10640, 12445, 14644, 14672, 17423, 18305, 18340, 19874, 19912, 20920, 24890, 29288, 34846, 36610, 36680, 39748, 39824, 41840, 49685, 49780, 58576, 68513, 69559, 69692, 73220, 73360, 79496, 87115, 99370, 99560, 137026, 139118, 139384, 146440, 158992, 174230, 198740, 199120, 274052, 278236, 278768, 292880, 342565, 347795, 348460, 397480, 479591, 548104, 556472, 685130, 695590, 696920, 794960, 959182, 1096208, 1112944, 1301747, 1370260, 1391180, 1393840, 1918364, 2397955, 2603494, 2740520, 2782360, 3836728, 4795910, 5206988, 5481040, 5564720, 6508735, 7673456, 9112229, 9591820, 10413976, 13017470, 18224458, 19183640, 20827952, 26034940, 36448916, 38367280, 45561145, 52069880, 72897832, 91122290, 104139760, 145795664, 182244580, 364489160, 728978320]

約数ペア:

[(1, 728978320), (2, 364489160), (4, 182244580), (5, 145795664), (7, 104139760), (8, 91122290), (10, 72897832), (14, 52069880), (16, 45561145), (19, 38367280), (20, 36448916), (28, 26034940), (35, 20827952), (38, 19183640), (40, 18224458), (56, 13017470), (70, 10413976), (76, 9591820), (80, 9112229), (95, 7673456), (112, 6508735), (131, 5564720), (133, 5481040), (140, 5206988), (152, 4795910), (190, 3836728), (262, 2782360), (266, 2740520), (280, 2603494), (304, 2397955), (380, 1918364), (523, 1393840), (524, 1391180), (532, 1370260), (560, 1301747), (655, 1112944), (665, 1096208), (760, 959182), (917, 794960), (1046, 696920), (1048, 695590), (1064, 685130), (1310, 556472), (1330, 548104), (1520, 479591), (1834, 397480), (2092, 348460), (2096, 347795), (2128, 342565), (2489, 292880), (2615, 278768), (2620, 278236), (2660, 274052), (3661, 199120), (3668, 198740), (4184, 174230), (4585, 158992), (4978, 146440), (5230, 139384), (5240, 139118), (5320, 137026), (7322, 99560), (7336, 99370), (8368, 87115), (9170, 79496), (9937, 73360), (9956, 73220), (10460, 69692), (10480, 69559), (10640, 68513), (12445, 58576), (14644, 49780), (14672, 49685), (17423, 41840), (18305, 39824), (18340, 39748), (19874, 36680), (19912, 36610), (20920, 34846), (24890, 29288)]