1891019840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 224

約数和(自身を含む): 4993843200

約数和(自身を除く): 3102823360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 79, 80, 95, 124, 127, 152, 155, 158, 160, 190, 248, 254, 304, 310, 316, 320, 380, 395, 496, 508, 589, 608, 620, 632, 635, 760, 790, 992, 1016, 1178, 1216, 1240, 1264, 1270, 1501, 1520, 1580, 1984, 2032, 2356, 2413, 2449, 2480, 2528, 2540, 2945, 3002, 3040, 3160, 3937, 4064, 4712, 4826, 4898, 4960, 5056, 5080, 5890, 6004, 6080, 6320, 7505, 7874, 8128, 9424, 9652, 9796, 9920, 10033, 10160, 11780, 12008, 12065, 12245, 12640, 15010, 15748, 18848, 19304, 19592, 19685, 20066, 20320, 23560, 24016, 24130, 24490, 25280, 30020, 31496, 37696, 38608, 39184, 39370, 40132, 40640, 46531, 47120, 48032, 48260, 48980, 50165, 60040, 62992, 74803, 77216, 78368, 78740, 80264, 93062, 94240, 96064, 96520, 97960, 100330, 120080, 125984, 149606, 154432, 156736, 157480, 160528, 186124, 188480, 190627, 193040, 195920, 200660, 232655, 240160, 251968, 299212, 311023, 314960, 321056, 372248, 374015, 381254, 386080, 391840, 401320, 465310, 480320, 598424, 622046, 629920, 642112, 744496, 748030, 762508, 772160, 783680, 802640, 930620, 953135, 1196848, 1244092, 1259840, 1488992, 1496060, 1525016, 1555115, 1605280, 1861240, 1906270, 2393696, 2488184, 2977984, 2992120, 3050032, 3110230, 3210560, 3722480, 3812540, 4787392, 4976368, 5909437, 5984240, 6100064, 6220460, 7444960, 7625080, 9952736, 11818874, 11968480, 12200128, 12440920, 14889920, 15250160, 19905472, 23637748, 23936960, 24881840, 29547185, 30500320, 47275496, 49763680, 59094370, 61000640, 94550992, 99527360, 118188740, 189101984, 236377480, 378203968, 472754960, 945509920, 1891019840]

約数ペア:

[(1, 1891019840), (2, 945509920), (4, 472754960), (5, 378203968), (8, 236377480), (10, 189101984), (16, 118188740), (19, 99527360), (20, 94550992), (31, 61000640), (32, 59094370), (38, 49763680), (40, 47275496), (62, 30500320), (64, 29547185), (76, 24881840), (79, 23936960), (80, 23637748), (95, 19905472), (124, 15250160), (127, 14889920), (152, 12440920), (155, 12200128), (158, 11968480), (160, 11818874), (190, 9952736), (248, 7625080), (254, 7444960), (304, 6220460), (310, 6100064), (316, 5984240), (320, 5909437), (380, 4976368), (395, 4787392), (496, 3812540), (508, 3722480), (589, 3210560), (608, 3110230), (620, 3050032), (632, 2992120), (635, 2977984), (760, 2488184), (790, 2393696), (992, 1906270), (1016, 1861240), (1178, 1605280), (1216, 1555115), (1240, 1525016), (1264, 1496060), (1270, 1488992), (1501, 1259840), (1520, 1244092), (1580, 1196848), (1984, 953135), (2032, 930620), (2356, 802640), (2413, 783680), (2449, 772160), (2480, 762508), (2528, 748030), (2540, 744496), (2945, 642112), (3002, 629920), (3040, 622046), (3160, 598424), (3937, 480320), (4064, 465310), (4712, 401320), (4826, 391840), (4898, 386080), (4960, 381254), (5056, 374015), (5080, 372248), (5890, 321056), (6004, 314960), (6080, 311023), (6320, 299212), (7505, 251968), (7874, 240160), (8128, 232655), (9424, 200660), (9652, 195920), (9796, 193040), (9920, 190627), (10033, 188480), (10160, 186124), (11780, 160528), (12008, 157480), (12065, 156736), (12245, 154432), (12640, 149606), (15010, 125984), (15748, 120080), (18848, 100330), (19304, 97960), (19592, 96520), (19685, 96064), (20066, 94240), (20320, 93062), (23560, 80264), (24016, 78740), (24130, 78368), (24490, 77216), (25280, 74803), (30020, 62992), (31496, 60040), (37696, 50165), (38608, 48980), (39184, 48260), (39370, 48032), (40132, 47120), (40640, 46531)]