261192360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 256

約数和(自身を含む): 952197120

約数和(自身を除く): 691004760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 31, 33, 39, 40, 44, 52, 55, 60, 62, 65, 66, 78, 88, 93, 104, 110, 120, 124, 130, 132, 143, 155, 156, 165, 186, 195, 220, 248, 260, 264, 286, 310, 312, 330, 341, 372, 390, 403, 429, 440, 465, 491, 520, 572, 620, 660, 682, 715, 744, 780, 806, 858, 930, 982, 1023, 1144, 1209, 1240, 1320, 1364, 1430, 1473, 1560, 1612, 1705, 1716, 1860, 1964, 2015, 2046, 2145, 2418, 2455, 2728, 2860, 2946, 3224, 3410, 3432, 3720, 3928, 4030, 4092, 4290, 4433, 4836, 4910, 5115, 5401, 5720, 5892, 6045, 6383, 6820, 7365, 8060, 8184, 8580, 8866, 9672, 9820, 10230, 10802, 11784, 12090, 12766, 13299, 13640, 14730, 15221, 16120, 16203, 17160, 17732, 19149, 19640, 20460, 21604, 22165, 24180, 25532, 26598, 27005, 29460, 30442, 31915, 32406, 35464, 38298, 40920, 43208, 44330, 45663, 48360, 51064, 53196, 54010, 58920, 60884, 63830, 64812, 66495, 70213, 76105, 76596, 81015, 88660, 91326, 95745, 106392, 108020, 121768, 127660, 129624, 132990, 140426, 152210, 153192, 162030, 167431, 177320, 182652, 191490, 197873, 210639, 216040, 228315, 255320, 265980, 280852, 304420, 324060, 334862, 351065, 365304, 382980, 395746, 421278, 456630, 502293, 531960, 561704, 593619, 608840, 648120, 669724, 702130, 765960, 791492, 837155, 842556, 913260, 989365, 1004586, 1053195, 1187238, 1339448, 1404260, 1582984, 1674310, 1685112, 1826520, 1978730, 2009172, 2106390, 2176603, 2374476, 2511465, 2808520, 2968095, 3348620, 3957460, 4018344, 4212780, 4353206, 4748952, 5022930, 5936190, 6529809, 6697240, 7914920, 8425560, 8706412, 10045860, 10883015, 11872380, 13059618, 17412824, 20091720, 21766030, 23744760, 26119236, 32649045, 43532060, 52238472, 65298090, 87064120, 130596180, 261192360]

約数ペア:

[(1, 261192360), (2, 130596180), (3, 87064120), (4, 65298090), (5, 52238472), (6, 43532060), (8, 32649045), (10, 26119236), (11, 23744760), (12, 21766030), (13, 20091720), (15, 17412824), (20, 13059618), (22, 11872380), (24, 10883015), (26, 10045860), (30, 8706412), (31, 8425560), (33, 7914920), (39, 6697240), (40, 6529809), (44, 5936190), (52, 5022930), (55, 4748952), (60, 4353206), (62, 4212780), (65, 4018344), (66, 3957460), (78, 3348620), (88, 2968095), (93, 2808520), (104, 2511465), (110, 2374476), (120, 2176603), (124, 2106390), (130, 2009172), (132, 1978730), (143, 1826520), (155, 1685112), (156, 1674310), (165, 1582984), (186, 1404260), (195, 1339448), (220, 1187238), (248, 1053195), (260, 1004586), (264, 989365), (286, 913260), (310, 842556), (312, 837155), (330, 791492), (341, 765960), (372, 702130), (390, 669724), (403, 648120), (429, 608840), (440, 593619), (465, 561704), (491, 531960), (520, 502293), (572, 456630), (620, 421278), (660, 395746), (682, 382980), (715, 365304), (744, 351065), (780, 334862), (806, 324060), (858, 304420), (930, 280852), (982, 265980), (1023, 255320), (1144, 228315), (1209, 216040), (1240, 210639), (1320, 197873), (1364, 191490), (1430, 182652), (1473, 177320), (1560, 167431), (1612, 162030), (1705, 153192), (1716, 152210), (1860, 140426), (1964, 132990), (2015, 129624), (2046, 127660), (2145, 121768), (2418, 108020), (2455, 106392), (2728, 95745), (2860, 91326), (2946, 88660), (3224, 81015), (3410, 76596), (3432, 76105), (3720, 70213), (3928, 66495), (4030, 64812), (4092, 63830), (4290, 60884), (4433, 58920), (4836, 54010), (4910, 53196), (5115, 51064), (5401, 48360), (5720, 45663), (5892, 44330), (6045, 43208), (6383, 40920), (6820, 38298), (7365, 35464), (8060, 32406), (8184, 31915), (8580, 30442), (8866, 29460), (9672, 27005), (9820, 26598), (10230, 25532), (10802, 24180), (11784, 22165), (12090, 21604), (12766, 20460), (13299, 19640), (13640, 19149), (14730, 17732), (15221, 17160), (16120, 16203)]