638690130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 256

約数和(自身を含む): 1974873600

約数和(自身を除く): 1336183470

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 61, 65, 78, 90, 95, 114, 117, 122, 130, 135, 157, 171, 183, 190, 195, 234, 247, 270, 285, 305, 314, 342, 351, 366, 390, 471, 494, 513, 549, 570, 585, 610, 702, 741, 785, 793, 855, 915, 942, 1026, 1098, 1159, 1170, 1235, 1413, 1482, 1570, 1586, 1647, 1710, 1755, 1830, 2041, 2223, 2318, 2355, 2379, 2470, 2565, 2745, 2826, 2983, 3294, 3477, 3510, 3705, 3965, 4082, 4239, 4446, 4710, 4758, 5130, 5490, 5795, 5966, 6123, 6669, 6954, 7065, 7137, 7410, 7930, 8235, 8478, 8949, 9577, 10205, 10431, 11115, 11590, 11895, 12246, 13338, 14130, 14274, 14915, 15067, 16470, 17385, 17898, 18369, 19154, 20410, 20862, 21195, 21411, 22230, 23790, 26847, 28731, 29830, 30134, 30615, 31293, 33345, 34770, 35685, 36738, 38779, 42390, 42822, 44745, 45201, 47885, 52155, 53694, 55107, 57462, 61230, 62586, 66690, 71370, 75335, 77558, 80541, 86193, 89490, 90402, 91845, 95770, 104310, 107055, 110214, 116337, 124501, 134235, 135603, 143655, 150670, 156465, 161082, 172386, 181963, 183690, 193895, 214110, 226005, 232674, 249002, 258579, 268470, 271206, 275535, 287310, 312930, 349011, 363926, 373503, 387790, 402705, 406809, 430965, 452010, 517158, 545889, 551070, 581685, 622505, 678015, 698022, 747006, 805410, 813618, 861930, 909815, 1047033, 1091778, 1120509, 1163370, 1245010, 1292895, 1356030, 1637667, 1745055, 1819630, 1867515, 2034045, 2094066, 2241018, 2365519, 2585790, 2729445, 3275334, 3361527, 3490110, 3735030, 4068090, 4731038, 4913001, 5235165, 5458890, 5602545, 6723054, 7096557, 8188335, 9826002, 10470330, 11205090, 11827595, 14193114, 16376670, 16807635, 21289671, 23655190, 24565005, 33615270, 35482785, 42579342, 49130010, 63869013, 70965570, 106448355, 127738026, 212896710, 319345065, 638690130]

約数ペア:

[(1, 638690130), (2, 319345065), (3, 212896710), (5, 127738026), (6, 106448355), (9, 70965570), (10, 63869013), (13, 49130010), (15, 42579342), (18, 35482785), (19, 33615270), (26, 24565005), (27, 23655190), (30, 21289671), (38, 16807635), (39, 16376670), (45, 14193114), (54, 11827595), (57, 11205090), (61, 10470330), (65, 9826002), (78, 8188335), (90, 7096557), (95, 6723054), (114, 5602545), (117, 5458890), (122, 5235165), (130, 4913001), (135, 4731038), (157, 4068090), (171, 3735030), (183, 3490110), (190, 3361527), (195, 3275334), (234, 2729445), (247, 2585790), (270, 2365519), (285, 2241018), (305, 2094066), (314, 2034045), (342, 1867515), (351, 1819630), (366, 1745055), (390, 1637667), (471, 1356030), (494, 1292895), (513, 1245010), (549, 1163370), (570, 1120509), (585, 1091778), (610, 1047033), (702, 909815), (741, 861930), (785, 813618), (793, 805410), (855, 747006), (915, 698022), (942, 678015), (1026, 622505), (1098, 581685), (1159, 551070), (1170, 545889), (1235, 517158), (1413, 452010), (1482, 430965), (1570, 406809), (1586, 402705), (1647, 387790), (1710, 373503), (1755, 363926), (1830, 349011), (2041, 312930), (2223, 287310), (2318, 275535), (2355, 271206), (2379, 268470), (2470, 258579), (2565, 249002), (2745, 232674), (2826, 226005), (2983, 214110), (3294, 193895), (3477, 183690), (3510, 181963), (3705, 172386), (3965, 161082), (4082, 156465), (4239, 150670), (4446, 143655), (4710, 135603), (4758, 134235), (5130, 124501), (5490, 116337), (5795, 110214), (5966, 107055), (6123, 104310), (6669, 95770), (6954, 91845), (7065, 90402), (7137, 89490), (7410, 86193), (7930, 80541), (8235, 77558), (8478, 75335), (8949, 71370), (9577, 66690), (10205, 62586), (10431, 61230), (11115, 57462), (11590, 55107), (11895, 53694), (12246, 52155), (13338, 47885), (14130, 45201), (14274, 44745), (14915, 42822), (15067, 42390), (16470, 38779), (17385, 36738), (17898, 35685), (18369, 34770), (19154, 33345), (20410, 31293), (20862, 30615), (21195, 30134), (21411, 29830), (22230, 28731), (23790, 26847)]