278267220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1231

約数の個数: 288

約数和(自身を含む): 1115202816

約数和(自身を除く): 836935596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 28, 30, 33, 34, 35, 36, 42, 44, 45, 51, 55, 60, 63, 66, 68, 70, 77, 84, 85, 90, 99, 102, 105, 110, 119, 126, 132, 140, 153, 154, 165, 170, 180, 187, 198, 204, 210, 220, 231, 238, 252, 255, 306, 308, 315, 330, 340, 357, 374, 385, 396, 420, 462, 476, 495, 510, 561, 595, 612, 630, 660, 693, 714, 748, 765, 770, 924, 935, 990, 1020, 1071, 1122, 1155, 1181, 1190, 1260, 1309, 1386, 1428, 1530, 1540, 1683, 1785, 1870, 1980, 2142, 2244, 2310, 2362, 2380, 2618, 2772, 2805, 3060, 3366, 3465, 3543, 3570, 3740, 3927, 4284, 4620, 4724, 5236, 5355, 5610, 5905, 6545, 6732, 6930, 7086, 7140, 7854, 8267, 8415, 10629, 10710, 11220, 11781, 11810, 12991, 13090, 13860, 14172, 15708, 16534, 16830, 17715, 19635, 20077, 21258, 21420, 23562, 23620, 24801, 25982, 26180, 33068, 33660, 35430, 38973, 39270, 40154, 41335, 42516, 47124, 49602, 51964, 53145, 58905, 60231, 64955, 70860, 74403, 77946, 78540, 80308, 82670, 90937, 99204, 100385, 106290, 116919, 117810, 120462, 124005, 129910, 140539, 148806, 155892, 165340, 180693, 181874, 194865, 200770, 212580, 220847, 233838, 235620, 240924, 248010, 259820, 272811, 281078, 297612, 301155, 361386, 363748, 372015, 389730, 401540, 421617, 441694, 454685, 467676, 496020, 545622, 562156, 584595, 602310, 662541, 702695, 722772, 744030, 779460, 818433, 843234, 883388, 903465, 909370, 1091244, 1104235, 1169190, 1204620, 1264851, 1325082, 1364055, 1405390, 1488060, 1545929, 1636866, 1686468, 1806930, 1818740, 1987623, 2108085, 2208470, 2338380, 2529702, 2650164, 2728110, 2810780, 3091858, 3273732, 3312705, 3613860, 3975246, 4092165, 4216170, 4416940, 4637787, 5059404, 5456220, 6183716, 6324255, 6625410, 7729645, 7950492, 8184330, 8432340, 9275574, 9938115, 12648510, 13250820, 13913361, 15459290, 16368660, 18551148, 19876230, 23188935, 25297020, 27826722, 30918580, 39752460, 46377870, 55653444, 69566805, 92755740, 139133610, 278267220]

約数ペア:

[(1, 278267220), (2, 139133610), (3, 92755740), (4, 69566805), (5, 55653444), (6, 46377870), (7, 39752460), (9, 30918580), (10, 27826722), (11, 25297020), (12, 23188935), (14, 19876230), (15, 18551148), (17, 16368660), (18, 15459290), (20, 13913361), (21, 13250820), (22, 12648510), (28, 9938115), (30, 9275574), (33, 8432340), (34, 8184330), (35, 7950492), (36, 7729645), (42, 6625410), (44, 6324255), (45, 6183716), (51, 5456220), (55, 5059404), (60, 4637787), (63, 4416940), (66, 4216170), (68, 4092165), (70, 3975246), (77, 3613860), (84, 3312705), (85, 3273732), (90, 3091858), (99, 2810780), (102, 2728110), (105, 2650164), (110, 2529702), (119, 2338380), (126, 2208470), (132, 2108085), (140, 1987623), (153, 1818740), (154, 1806930), (165, 1686468), (170, 1636866), (180, 1545929), (187, 1488060), (198, 1405390), (204, 1364055), (210, 1325082), (220, 1264851), (231, 1204620), (238, 1169190), (252, 1104235), (255, 1091244), (306, 909370), (308, 903465), (315, 883388), (330, 843234), (340, 818433), (357, 779460), (374, 744030), (385, 722772), (396, 702695), (420, 662541), (462, 602310), (476, 584595), (495, 562156), (510, 545622), (561, 496020), (595, 467676), (612, 454685), (630, 441694), (660, 421617), (693, 401540), (714, 389730), (748, 372015), (765, 363748), (770, 361386), (924, 301155), (935, 297612), (990, 281078), (1020, 272811), (1071, 259820), (1122, 248010), (1155, 240924), (1181, 235620), (1190, 233838), (1260, 220847), (1309, 212580), (1386, 200770), (1428, 194865), (1530, 181874), (1540, 180693), (1683, 165340), (1785, 155892), (1870, 148806), (1980, 140539), (2142, 129910), (2244, 124005), (2310, 120462), (2362, 117810), (2380, 116919), (2618, 106290), (2772, 100385), (2805, 99204), (3060, 90937), (3366, 82670), (3465, 80308), (3543, 78540), (3570, 77946), (3740, 74403), (3927, 70860), (4284, 64955), (4620, 60231), (4724, 58905), (5236, 53145), (5355, 51964), (5610, 49602), (5905, 47124), (6545, 42516), (6732, 41335), (6930, 40154), (7086, 39270), (7140, 38973), (7854, 35430), (8267, 33660), (8415, 33068), (10629, 26180), (10710, 25982), (11220, 24801), (11781, 23620), (11810, 23562), (12991, 21420), (13090, 21258), (13860, 20077), (14172, 19635), (15708, 17715), (16534, 16830)]