278885880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8513}}^1$

素因数の和:8550

約数の個数: 192

約数和(自身を含む): 1115674560

約数和(自身を除く): 836788680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 8513, 10920, 16380, 17026, 25539, 32760, 34052, 42565, 51078, 59591, 68104, 76617, 85130, 102156, 110669, 119182, 127695, 153234, 170260, 178773, 204312, 221338, 238364, 255390, 297955, 306468, 332007, 340520, 357546, 383085, 442676, 476728, 510780, 536319, 553345, 595910, 612936, 664014, 715092, 766170, 774683, 885352, 893865, 996021, 1021560, 1072638, 1106690, 1191820, 1328028, 1430184, 1532340, 1549366, 1660035, 1787730, 1992042, 2145276, 2213380, 2324049, 2383640, 2656056, 2681595, 3064680, 3098732, 3320070, 3575460, 3873415, 3984084, 4290552, 4426760, 4648098, 4980105, 5363190, 6197464, 6640140, 6972147, 7150920, 7746830, 7968168, 9296196, 9960210, 10726380, 11620245, 13280280, 13944294, 15493660, 18592392, 19920420, 21452760, 23240490, 27888588, 30987320, 34860735, 39840840, 46480980, 55777176, 69721470, 92961960, 139442940, 278885880]

約数ペア:

[(1, 278885880), (2, 139442940), (3, 92961960), (4, 69721470), (5, 55777176), (6, 46480980), (7, 39840840), (8, 34860735), (9, 30987320), (10, 27888588), (12, 23240490), (13, 21452760), (14, 19920420), (15, 18592392), (18, 15493660), (20, 13944294), (21, 13280280), (24, 11620245), (26, 10726380), (28, 9960210), (30, 9296196), (35, 7968168), (36, 7746830), (39, 7150920), (40, 6972147), (42, 6640140), (45, 6197464), (52, 5363190), (56, 4980105), (60, 4648098), (63, 4426760), (65, 4290552), (70, 3984084), (72, 3873415), (78, 3575460), (84, 3320070), (90, 3098732), (91, 3064680), (104, 2681595), (105, 2656056), (117, 2383640), (120, 2324049), (126, 2213380), (130, 2145276), (140, 1992042), (156, 1787730), (168, 1660035), (180, 1549366), (182, 1532340), (195, 1430184), (210, 1328028), (234, 1191820), (252, 1106690), (260, 1072638), (273, 1021560), (280, 996021), (312, 893865), (315, 885352), (360, 774683), (364, 766170), (390, 715092), (420, 664014), (455, 612936), (468, 595910), (504, 553345), (520, 536319), (546, 510780), (585, 476728), (630, 442676), (728, 383085), (780, 357546), (819, 340520), (840, 332007), (910, 306468), (936, 297955), (1092, 255390), (1170, 238364), (1260, 221338), (1365, 204312), (1560, 178773), (1638, 170260), (1820, 153234), (2184, 127695), (2340, 119182), (2520, 110669), (2730, 102156), (3276, 85130), (3640, 76617), (4095, 68104), (4680, 59591), (5460, 51078), (6552, 42565), (8190, 34052), (8513, 32760), (10920, 25539), (16380, 17026)]