28167120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 240

約数和(自身を含む): 104457600

約数和(自身を除く): 76290480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 48, 57, 58, 60, 71, 72, 76, 80, 87, 90, 95, 114, 116, 120, 142, 144, 145, 152, 171, 174, 180, 190, 213, 228, 232, 240, 261, 284, 285, 290, 304, 342, 348, 355, 360, 380, 426, 435, 456, 464, 522, 551, 568, 570, 580, 639, 684, 696, 710, 720, 760, 852, 855, 870, 912, 1044, 1065, 1102, 1136, 1140, 1160, 1278, 1305, 1349, 1368, 1392, 1420, 1520, 1653, 1704, 1710, 1740, 2059, 2088, 2130, 2204, 2280, 2320, 2556, 2610, 2698, 2736, 2755, 2840, 3195, 3306, 3408, 3420, 3480, 4047, 4118, 4176, 4260, 4408, 4560, 4959, 5112, 5220, 5396, 5510, 5680, 6177, 6390, 6612, 6745, 6840, 6960, 8094, 8236, 8265, 8520, 8816, 9918, 10224, 10295, 10440, 10792, 11020, 12141, 12354, 12780, 13224, 13490, 13680, 16188, 16472, 16530, 17040, 18531, 19836, 20235, 20590, 20880, 21584, 22040, 24282, 24708, 24795, 25560, 26448, 26980, 30885, 32376, 32944, 33060, 37062, 39121, 39672, 40470, 41180, 44080, 48564, 49416, 49590, 51120, 53960, 60705, 61770, 64752, 66120, 74124, 78242, 79344, 80940, 82360, 92655, 97128, 98832, 99180, 107920, 117363, 121410, 123540, 132240, 148248, 156484, 161880, 164720, 185310, 194256, 195605, 198360, 234726, 242820, 247080, 296496, 312968, 323760, 352089, 370620, 391210, 396720, 469452, 485640, 494160, 586815, 625936, 704178, 741240, 782420, 938904, 971280, 1173630, 1408356, 1482480, 1564840, 1760445, 1877808, 2347260, 2816712, 3129680, 3520890, 4694520, 5633424, 7041780, 9389040, 14083560, 28167120]

約数ペア:

[(1, 28167120), (2, 14083560), (3, 9389040), (4, 7041780), (5, 5633424), (6, 4694520), (8, 3520890), (9, 3129680), (10, 2816712), (12, 2347260), (15, 1877808), (16, 1760445), (18, 1564840), (19, 1482480), (20, 1408356), (24, 1173630), (29, 971280), (30, 938904), (36, 782420), (38, 741240), (40, 704178), (45, 625936), (48, 586815), (57, 494160), (58, 485640), (60, 469452), (71, 396720), (72, 391210), (76, 370620), (80, 352089), (87, 323760), (90, 312968), (95, 296496), (114, 247080), (116, 242820), (120, 234726), (142, 198360), (144, 195605), (145, 194256), (152, 185310), (171, 164720), (174, 161880), (180, 156484), (190, 148248), (213, 132240), (228, 123540), (232, 121410), (240, 117363), (261, 107920), (284, 99180), (285, 98832), (290, 97128), (304, 92655), (342, 82360), (348, 80940), (355, 79344), (360, 78242), (380, 74124), (426, 66120), (435, 64752), (456, 61770), (464, 60705), (522, 53960), (551, 51120), (568, 49590), (570, 49416), (580, 48564), (639, 44080), (684, 41180), (696, 40470), (710, 39672), (720, 39121), (760, 37062), (852, 33060), (855, 32944), (870, 32376), (912, 30885), (1044, 26980), (1065, 26448), (1102, 25560), (1136, 24795), (1140, 24708), (1160, 24282), (1278, 22040), (1305, 21584), (1349, 20880), (1368, 20590), (1392, 20235), (1420, 19836), (1520, 18531), (1653, 17040), (1704, 16530), (1710, 16472), (1740, 16188), (2059, 13680), (2088, 13490), (2130, 13224), (2204, 12780), (2280, 12354), (2320, 12141), (2556, 11020), (2610, 10792), (2698, 10440), (2736, 10295), (2755, 10224), (2840, 9918), (3195, 8816), (3306, 8520), (3408, 8265), (3420, 8236), (3480, 8094), (4047, 6960), (4118, 6840), (4176, 6745), (4260, 6612), (4408, 6390), (4560, 6177), (4959, 5680), (5112, 5510), (5220, 5396)]