552020720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 1394910720

約数和(自身を除く): 842890000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 61, 62, 80, 82, 89, 122, 124, 155, 164, 178, 205, 244, 248, 305, 310, 328, 356, 410, 445, 488, 496, 610, 620, 656, 712, 820, 890, 976, 1220, 1240, 1271, 1424, 1640, 1780, 1891, 2440, 2480, 2501, 2542, 2759, 3280, 3560, 3649, 3782, 4880, 5002, 5084, 5429, 5518, 6355, 7120, 7298, 7564, 9455, 10004, 10168, 10858, 11036, 12505, 12710, 13795, 14596, 15128, 18245, 18910, 20008, 20336, 21716, 22072, 25010, 25420, 27145, 27590, 29192, 30256, 36490, 37820, 40016, 43432, 44144, 50020, 50840, 54290, 55180, 58384, 72980, 75640, 77531, 86864, 100040, 101680, 108580, 110360, 113119, 145960, 151280, 155062, 168299, 200080, 217160, 220720, 222589, 226238, 291920, 310124, 336598, 387655, 434320, 445178, 452476, 565595, 620248, 673196, 775310, 841495, 890356, 904952, 1112945, 1131190, 1240496, 1346392, 1550620, 1682990, 1780712, 1809904, 2225890, 2262380, 2692784, 3101240, 3365980, 3561424, 4451780, 4524760, 6202480, 6731960, 6900259, 8903560, 9049520, 13463920, 13800518, 17807120, 27601036, 34501295, 55202072, 69002590, 110404144, 138005180, 276010360, 552020720]

約数ペア:

[(1, 552020720), (2, 276010360), (4, 138005180), (5, 110404144), (8, 69002590), (10, 55202072), (16, 34501295), (20, 27601036), (31, 17807120), (40, 13800518), (41, 13463920), (61, 9049520), (62, 8903560), (80, 6900259), (82, 6731960), (89, 6202480), (122, 4524760), (124, 4451780), (155, 3561424), (164, 3365980), (178, 3101240), (205, 2692784), (244, 2262380), (248, 2225890), (305, 1809904), (310, 1780712), (328, 1682990), (356, 1550620), (410, 1346392), (445, 1240496), (488, 1131190), (496, 1112945), (610, 904952), (620, 890356), (656, 841495), (712, 775310), (820, 673196), (890, 620248), (976, 565595), (1220, 452476), (1240, 445178), (1271, 434320), (1424, 387655), (1640, 336598), (1780, 310124), (1891, 291920), (2440, 226238), (2480, 222589), (2501, 220720), (2542, 217160), (2759, 200080), (3280, 168299), (3560, 155062), (3649, 151280), (3782, 145960), (4880, 113119), (5002, 110360), (5084, 108580), (5429, 101680), (5518, 100040), (6355, 86864), (7120, 77531), (7298, 75640), (7564, 72980), (9455, 58384), (10004, 55180), (10168, 54290), (10858, 50840), (11036, 50020), (12505, 44144), (12710, 43432), (13795, 40016), (14596, 37820), (15128, 36490), (18245, 30256), (18910, 29192), (20008, 27590), (20336, 27145), (21716, 25420), (22072, 25010)]