264271280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1235

約数の個数: 160

約数和(自身を含む): 781283328

約数和(自身を除く): 517012048

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1171, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2342, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 4684, 5642, 5855, 6448, 7280, 8060, 8197, 8680, 9368, 11284, 11710, 14105, 15223, 16120, 16394, 17360, 18736, 22568, 23420, 28210, 30446, 32240, 32788, 36301, 40985, 45136, 46840, 56420, 60892, 65576, 72602, 76115, 81970, 93680, 106561, 112840, 121784, 131152, 145204, 152230, 163940, 181505, 213122, 225680, 243568, 254107, 290408, 304460, 327880, 363010, 426244, 471913, 508214, 532805, 580816, 608920, 655760, 726020, 852488, 943826, 1016428, 1065610, 1217840, 1270535, 1452040, 1704976, 1887652, 2032856, 2131220, 2359565, 2541070, 2904080, 3303391, 3775304, 4065712, 4262440, 4719130, 5082140, 6606782, 7550608, 8524880, 9438260, 10164280, 13213564, 16516955, 18876520, 20328560, 26427128, 33033910, 37753040, 52854256, 66067820, 132135640, 264271280]

約数ペア:

[(1, 264271280), (2, 132135640), (4, 66067820), (5, 52854256), (7, 37753040), (8, 33033910), (10, 26427128), (13, 20328560), (14, 18876520), (16, 16516955), (20, 13213564), (26, 10164280), (28, 9438260), (31, 8524880), (35, 7550608), (40, 6606782), (52, 5082140), (56, 4719130), (62, 4262440), (65, 4065712), (70, 3775304), (80, 3303391), (91, 2904080), (104, 2541070), (112, 2359565), (124, 2131220), (130, 2032856), (140, 1887652), (155, 1704976), (182, 1452040), (208, 1270535), (217, 1217840), (248, 1065610), (260, 1016428), (280, 943826), (310, 852488), (364, 726020), (403, 655760), (434, 608920), (455, 580816), (496, 532805), (520, 508214), (560, 471913), (620, 426244), (728, 363010), (806, 327880), (868, 304460), (910, 290408), (1040, 254107), (1085, 243568), (1171, 225680), (1240, 213122), (1456, 181505), (1612, 163940), (1736, 152230), (1820, 145204), (2015, 131152), (2170, 121784), (2342, 112840), (2480, 106561), (2821, 93680), (3224, 81970), (3472, 76115), (3640, 72602), (4030, 65576), (4340, 60892), (4684, 56420), (5642, 46840), (5855, 45136), (6448, 40985), (7280, 36301), (8060, 32788), (8197, 32240), (8680, 30446), (9368, 28210), (11284, 23420), (11710, 22568), (14105, 18736), (15223, 17360), (16120, 16394)]