247679460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:443

約数の個数: 288

約数和(自身を含む): 940972032

約数和(自身を除く): 693292572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 31, 34, 35, 36, 42, 45, 51, 60, 62, 63, 68, 70, 84, 85, 90, 93, 102, 105, 119, 124, 126, 140, 153, 155, 170, 180, 186, 204, 210, 217, 238, 252, 255, 279, 306, 310, 315, 340, 357, 372, 373, 420, 434, 465, 476, 510, 527, 558, 595, 612, 620, 630, 651, 714, 746, 765, 868, 930, 1020, 1054, 1071, 1085, 1116, 1119, 1190, 1260, 1302, 1395, 1428, 1492, 1530, 1581, 1785, 1860, 1865, 1953, 2108, 2142, 2170, 2238, 2380, 2604, 2611, 2635, 2790, 3060, 3162, 3255, 3357, 3570, 3689, 3730, 3906, 4284, 4340, 4476, 4743, 5222, 5270, 5355, 5580, 5595, 6324, 6341, 6510, 6714, 7140, 7378, 7460, 7812, 7833, 7905, 9486, 9765, 10444, 10540, 10710, 11067, 11190, 11563, 12682, 13020, 13055, 13428, 14756, 15666, 15810, 16785, 18445, 18972, 19023, 19530, 21420, 22134, 22380, 23126, 23499, 23715, 25364, 26110, 31332, 31620, 31705, 33201, 33570, 34689, 36890, 38046, 39060, 39165, 44268, 44387, 46252, 46998, 47430, 52220, 55335, 57069, 57815, 63410, 66402, 67140, 69378, 73780, 76092, 78330, 80941, 88774, 93996, 94860, 95115, 104067, 110670, 114138, 115630, 117495, 126820, 132804, 133161, 138756, 156660, 161882, 166005, 173445, 177548, 190230, 196571, 208134, 221340, 221935, 228276, 231260, 234990, 242823, 266322, 285345, 323764, 332010, 346890, 380460, 393142, 399483, 404705, 416268, 443870, 469980, 485646, 520335, 532644, 570690, 589713, 664020, 665805, 693780, 728469, 786284, 798966, 809410, 887740, 971292, 982855, 1040670, 1141380, 1179426, 1214115, 1331610, 1375997, 1456938, 1597932, 1618820, 1769139, 1965710, 1997415, 2081340, 2358852, 2428230, 2663220, 2751994, 2913876, 2948565, 3538278, 3642345, 3931420, 3994830, 4127991, 4856460, 5503988, 5897130, 6879985, 7076556, 7284690, 7989660, 8255982, 8845695, 11794260, 12383973, 13759970, 14569380, 16511964, 17691390, 20639955, 24767946, 27519940, 35382780, 41279910, 49535892, 61919865, 82559820, 123839730, 247679460]

約数ペア:

[(1, 247679460), (2, 123839730), (3, 82559820), (4, 61919865), (5, 49535892), (6, 41279910), (7, 35382780), (9, 27519940), (10, 24767946), (12, 20639955), (14, 17691390), (15, 16511964), (17, 14569380), (18, 13759970), (20, 12383973), (21, 11794260), (28, 8845695), (30, 8255982), (31, 7989660), (34, 7284690), (35, 7076556), (36, 6879985), (42, 5897130), (45, 5503988), (51, 4856460), (60, 4127991), (62, 3994830), (63, 3931420), (68, 3642345), (70, 3538278), (84, 2948565), (85, 2913876), (90, 2751994), (93, 2663220), (102, 2428230), (105, 2358852), (119, 2081340), (124, 1997415), (126, 1965710), (140, 1769139), (153, 1618820), (155, 1597932), (170, 1456938), (180, 1375997), (186, 1331610), (204, 1214115), (210, 1179426), (217, 1141380), (238, 1040670), (252, 982855), (255, 971292), (279, 887740), (306, 809410), (310, 798966), (315, 786284), (340, 728469), (357, 693780), (372, 665805), (373, 664020), (420, 589713), (434, 570690), (465, 532644), (476, 520335), (510, 485646), (527, 469980), (558, 443870), (595, 416268), (612, 404705), (620, 399483), (630, 393142), (651, 380460), (714, 346890), (746, 332010), (765, 323764), (868, 285345), (930, 266322), (1020, 242823), (1054, 234990), (1071, 231260), (1085, 228276), (1116, 221935), (1119, 221340), (1190, 208134), (1260, 196571), (1302, 190230), (1395, 177548), (1428, 173445), (1492, 166005), (1530, 161882), (1581, 156660), (1785, 138756), (1860, 133161), (1865, 132804), (1953, 126820), (2108, 117495), (2142, 115630), (2170, 114138), (2238, 110670), (2380, 104067), (2604, 95115), (2611, 94860), (2635, 93996), (2790, 88774), (3060, 80941), (3162, 78330), (3255, 76092), (3357, 73780), (3570, 69378), (3689, 67140), (3730, 66402), (3906, 63410), (4284, 57815), (4340, 57069), (4476, 55335), (4743, 52220), (5222, 47430), (5270, 46998), (5355, 46252), (5580, 44387), (5595, 44268), (6324, 39165), (6341, 39060), (6510, 38046), (6714, 36890), (7140, 34689), (7378, 33570), (7460, 33201), (7812, 31705), (7833, 31620), (7905, 31332), (9486, 26110), (9765, 25364), (10444, 23715), (10540, 23499), (10710, 23126), (11067, 22380), (11190, 22134), (11563, 21420), (12682, 19530), (13020, 19023), (13055, 18972), (13428, 18445), (14756, 16785), (15666, 15810)]