280036440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4549}}^1$

素因数の和:4591

約数の個数: 160

約数和(自身を含む): 990990000

約数和(自身を除く): 710953560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4104, 4549, 5130, 6156, 6840, 7695, 9098, 10260, 12312, 13647, 15390, 18196, 20520, 22745, 27294, 30780, 36392, 40941, 45490, 54588, 61560, 68235, 81882, 86431, 90980, 109176, 122823, 136470, 163764, 172862, 181960, 204705, 245646, 259293, 272940, 327528, 345724, 368469, 409410, 432155, 491292, 518586, 545880, 614115, 691448, 736938, 777879, 818820, 864310, 982584, 1037172, 1228230, 1296465, 1473876, 1555758, 1637640, 1728620, 1842345, 2074344, 2333637, 2456460, 2592930, 2947752, 3111516, 3457240, 3684690, 3889395, 4667274, 4912920, 5185860, 6223032, 7000911, 7369380, 7778790, 9334548, 10371720, 11668185, 14001822, 14738760, 15557580, 18669096, 23336370, 28003644, 31115160, 35004555, 46672740, 56007288, 70009110, 93345480, 140018220, 280036440]

約数ペア:

[(1, 280036440), (2, 140018220), (3, 93345480), (4, 70009110), (5, 56007288), (6, 46672740), (8, 35004555), (9, 31115160), (10, 28003644), (12, 23336370), (15, 18669096), (18, 15557580), (19, 14738760), (20, 14001822), (24, 11668185), (27, 10371720), (30, 9334548), (36, 7778790), (38, 7369380), (40, 7000911), (45, 6223032), (54, 5185860), (57, 4912920), (60, 4667274), (72, 3889395), (76, 3684690), (81, 3457240), (90, 3111516), (95, 2947752), (108, 2592930), (114, 2456460), (120, 2333637), (135, 2074344), (152, 1842345), (162, 1728620), (171, 1637640), (180, 1555758), (190, 1473876), (216, 1296465), (228, 1228230), (270, 1037172), (285, 982584), (324, 864310), (342, 818820), (360, 777879), (380, 736938), (405, 691448), (456, 614115), (513, 545880), (540, 518586), (570, 491292), (648, 432155), (684, 409410), (760, 368469), (810, 345724), (855, 327528), (1026, 272940), (1080, 259293), (1140, 245646), (1368, 204705), (1539, 181960), (1620, 172862), (1710, 163764), (2052, 136470), (2280, 122823), (2565, 109176), (3078, 90980), (3240, 86431), (3420, 81882), (4104, 68235), (4549, 61560), (5130, 54588), (6156, 45490), (6840, 40941), (7695, 36392), (9098, 30780), (10260, 27294), (12312, 22745), (13647, 20520), (15390, 18196)]