28659960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 256

約数和(自身を含む): 116121600

約数和(自身を除く): 87461640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 168, 170, 180, 189, 204, 210, 216, 223, 238, 252, 255, 270, 280, 306, 315, 340, 357, 360, 378, 408, 420, 446, 459, 476, 504, 510, 540, 595, 612, 630, 669, 680, 714, 756, 765, 840, 892, 918, 945, 952, 1020, 1071, 1080, 1115, 1190, 1224, 1260, 1338, 1428, 1512, 1530, 1561, 1784, 1785, 1836, 1890, 2007, 2040, 2142, 2230, 2295, 2380, 2520, 2676, 2856, 3060, 3122, 3213, 3345, 3570, 3672, 3780, 3791, 4014, 4284, 4460, 4590, 4683, 4760, 5352, 5355, 6021, 6120, 6244, 6426, 6690, 7140, 7560, 7582, 7805, 8028, 8568, 8920, 9180, 9366, 10035, 10710, 11373, 12042, 12488, 12852, 13380, 14049, 14280, 15164, 15610, 16056, 16065, 18360, 18732, 18955, 20070, 21420, 22746, 23415, 24084, 25704, 26537, 26760, 28098, 30105, 30328, 31220, 32130, 34119, 37464, 37910, 40140, 42147, 42840, 45492, 46830, 48168, 53074, 56196, 56865, 60210, 62440, 64260, 68238, 70245, 75820, 79611, 80280, 84294, 90984, 93660, 102357, 106148, 112392, 113730, 120420, 128520, 132685, 136476, 140490, 151640, 159222, 168588, 170595, 187320, 204714, 210735, 212296, 227460, 238833, 240840, 265370, 272952, 280980, 318444, 337176, 341190, 398055, 409428, 421470, 454920, 477666, 511785, 530740, 561960, 636888, 682380, 716499, 796110, 818856, 842940, 955332, 1023570, 1061480, 1194165, 1364760, 1432998, 1592220, 1685880, 1910664, 2047140, 2388330, 2865996, 3184440, 3582495, 4094280, 4776660, 5731992, 7164990, 9553320, 14329980, 28659960]

約数ペア:

[(1, 28659960), (2, 14329980), (3, 9553320), (4, 7164990), (5, 5731992), (6, 4776660), (7, 4094280), (8, 3582495), (9, 3184440), (10, 2865996), (12, 2388330), (14, 2047140), (15, 1910664), (17, 1685880), (18, 1592220), (20, 1432998), (21, 1364760), (24, 1194165), (27, 1061480), (28, 1023570), (30, 955332), (34, 842940), (35, 818856), (36, 796110), (40, 716499), (42, 682380), (45, 636888), (51, 561960), (54, 530740), (56, 511785), (60, 477666), (63, 454920), (68, 421470), (70, 409428), (72, 398055), (84, 341190), (85, 337176), (90, 318444), (102, 280980), (105, 272952), (108, 265370), (119, 240840), (120, 238833), (126, 227460), (135, 212296), (136, 210735), (140, 204714), (153, 187320), (168, 170595), (170, 168588), (180, 159222), (189, 151640), (204, 140490), (210, 136476), (216, 132685), (223, 128520), (238, 120420), (252, 113730), (255, 112392), (270, 106148), (280, 102357), (306, 93660), (315, 90984), (340, 84294), (357, 80280), (360, 79611), (378, 75820), (408, 70245), (420, 68238), (446, 64260), (459, 62440), (476, 60210), (504, 56865), (510, 56196), (540, 53074), (595, 48168), (612, 46830), (630, 45492), (669, 42840), (680, 42147), (714, 40140), (756, 37910), (765, 37464), (840, 34119), (892, 32130), (918, 31220), (945, 30328), (952, 30105), (1020, 28098), (1071, 26760), (1080, 26537), (1115, 25704), (1190, 24084), (1224, 23415), (1260, 22746), (1338, 21420), (1428, 20070), (1512, 18955), (1530, 18732), (1561, 18360), (1784, 16065), (1785, 16056), (1836, 15610), (1890, 15164), (2007, 14280), (2040, 14049), (2142, 13380), (2230, 12852), (2295, 12488), (2380, 12042), (2520, 11373), (2676, 10710), (2856, 10035), (3060, 9366), (3122, 9180), (3213, 8920), (3345, 8568), (3570, 8028), (3672, 7805), (3780, 7582), (3791, 7560), (4014, 7140), (4284, 6690), (4460, 6426), (4590, 6244), (4683, 6120), (4760, 6021), (5352, 5355)]