287793660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 216

約数和(自身を含む): 1031622480

約数和(自身を除く): 743828820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 121, 132, 140, 147, 154, 165, 196, 210, 220, 231, 242, 245, 294, 308, 330, 363, 385, 420, 462, 484, 490, 539, 588, 605, 660, 726, 735, 770, 809, 847, 924, 980, 1078, 1155, 1210, 1452, 1470, 1540, 1617, 1618, 1694, 1815, 2156, 2310, 2420, 2427, 2541, 2695, 2940, 3234, 3236, 3388, 3630, 4045, 4235, 4620, 4854, 5082, 5390, 5663, 5929, 6468, 7260, 8085, 8090, 8470, 8899, 9708, 10164, 10780, 11326, 11858, 12135, 12705, 16170, 16180, 16940, 16989, 17787, 17798, 22652, 23716, 24270, 25410, 26697, 28315, 29645, 32340, 33978, 35574, 35596, 39641, 44495, 48540, 50820, 53394, 56630, 59290, 62293, 67956, 71148, 79282, 84945, 88935, 88990, 97889, 106788, 113260, 118580, 118923, 124586, 133485, 158564, 169890, 177870, 177980, 186879, 195778, 198205, 237846, 249172, 266970, 293667, 311465, 339780, 355740, 373758, 391556, 396410, 436051, 475692, 489445, 533940, 587334, 594615, 622930, 685223, 747516, 792820, 872102, 934395, 978890, 1174668, 1189230, 1245860, 1308153, 1370446, 1468335, 1744204, 1868790, 1957780, 2055669, 2180255, 2378460, 2616306, 2740892, 2936670, 3426115, 3737580, 4111338, 4360510, 4796561, 5232612, 5873340, 6540765, 6852230, 8222676, 8721020, 9593122, 10278345, 13081530, 13704460, 14389683, 19186244, 20556690, 23982805, 26163060, 28779366, 41113380, 47965610, 57558732, 71948415, 95931220, 143896830, 287793660]

約数ペア:

[(1, 287793660), (2, 143896830), (3, 95931220), (4, 71948415), (5, 57558732), (6, 47965610), (7, 41113380), (10, 28779366), (11, 26163060), (12, 23982805), (14, 20556690), (15, 19186244), (20, 14389683), (21, 13704460), (22, 13081530), (28, 10278345), (30, 9593122), (33, 8721020), (35, 8222676), (42, 6852230), (44, 6540765), (49, 5873340), (55, 5232612), (60, 4796561), (66, 4360510), (70, 4111338), (77, 3737580), (84, 3426115), (98, 2936670), (105, 2740892), (110, 2616306), (121, 2378460), (132, 2180255), (140, 2055669), (147, 1957780), (154, 1868790), (165, 1744204), (196, 1468335), (210, 1370446), (220, 1308153), (231, 1245860), (242, 1189230), (245, 1174668), (294, 978890), (308, 934395), (330, 872102), (363, 792820), (385, 747516), (420, 685223), (462, 622930), (484, 594615), (490, 587334), (539, 533940), (588, 489445), (605, 475692), (660, 436051), (726, 396410), (735, 391556), (770, 373758), (809, 355740), (847, 339780), (924, 311465), (980, 293667), (1078, 266970), (1155, 249172), (1210, 237846), (1452, 198205), (1470, 195778), (1540, 186879), (1617, 177980), (1618, 177870), (1694, 169890), (1815, 158564), (2156, 133485), (2310, 124586), (2420, 118923), (2427, 118580), (2541, 113260), (2695, 106788), (2940, 97889), (3234, 88990), (3236, 88935), (3388, 84945), (3630, 79282), (4045, 71148), (4235, 67956), (4620, 62293), (4854, 59290), (5082, 56630), (5390, 53394), (5663, 50820), (5929, 48540), (6468, 44495), (7260, 39641), (8085, 35596), (8090, 35574), (8470, 33978), (8899, 32340), (9708, 29645), (10164, 28315), (10780, 26697), (11326, 25410), (11858, 24270), (12135, 23716), (12705, 22652), (16170, 17798), (16180, 17787), (16940, 16989)]