28070280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 256

約数和(自身を含む): 110592000

約数和(自身を除く): 82521720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 54, 56, 60, 63, 70, 72, 79, 84, 90, 94, 105, 108, 120, 126, 135, 140, 141, 158, 168, 180, 188, 189, 210, 216, 235, 237, 252, 270, 280, 282, 315, 316, 329, 360, 376, 378, 395, 420, 423, 470, 474, 504, 540, 553, 564, 630, 632, 658, 705, 711, 756, 790, 840, 846, 940, 945, 948, 987, 1080, 1106, 1128, 1185, 1260, 1269, 1316, 1410, 1422, 1512, 1580, 1645, 1659, 1692, 1880, 1890, 1896, 1974, 2115, 2133, 2212, 2370, 2520, 2538, 2632, 2765, 2820, 2844, 2961, 3160, 3290, 3318, 3384, 3555, 3713, 3780, 3948, 4230, 4266, 4424, 4740, 4935, 4977, 5076, 5530, 5640, 5688, 5922, 6345, 6580, 6636, 7110, 7426, 7560, 7896, 8295, 8460, 8532, 8883, 9480, 9870, 9954, 10152, 10665, 11060, 11139, 11844, 12690, 13160, 13272, 14220, 14805, 14852, 14931, 16590, 16920, 17064, 17766, 18565, 19740, 19908, 21330, 22120, 22278, 23688, 24885, 25380, 25991, 28440, 29610, 29704, 29862, 33180, 33417, 35532, 37130, 39480, 39816, 42660, 44415, 44556, 49770, 50760, 51982, 55695, 59220, 59724, 66360, 66834, 71064, 74260, 74655, 77973, 85320, 88830, 89112, 99540, 100251, 103964, 111390, 118440, 119448, 129955, 133668, 148520, 149310, 155946, 167085, 177660, 199080, 200502, 207928, 222780, 233919, 259910, 267336, 298620, 311892, 334170, 355320, 389865, 401004, 445560, 467838, 501255, 519820, 597240, 623784, 668340, 701757, 779730, 802008, 935676, 1002510, 1039640, 1169595, 1336680, 1403514, 1559460, 1871352, 2005020, 2339190, 2807028, 3118920, 3508785, 4010040, 4678380, 5614056, 7017570, 9356760, 14035140, 28070280]

約数ペア:

[(1, 28070280), (2, 14035140), (3, 9356760), (4, 7017570), (5, 5614056), (6, 4678380), (7, 4010040), (8, 3508785), (9, 3118920), (10, 2807028), (12, 2339190), (14, 2005020), (15, 1871352), (18, 1559460), (20, 1403514), (21, 1336680), (24, 1169595), (27, 1039640), (28, 1002510), (30, 935676), (35, 802008), (36, 779730), (40, 701757), (42, 668340), (45, 623784), (47, 597240), (54, 519820), (56, 501255), (60, 467838), (63, 445560), (70, 401004), (72, 389865), (79, 355320), (84, 334170), (90, 311892), (94, 298620), (105, 267336), (108, 259910), (120, 233919), (126, 222780), (135, 207928), (140, 200502), (141, 199080), (158, 177660), (168, 167085), (180, 155946), (188, 149310), (189, 148520), (210, 133668), (216, 129955), (235, 119448), (237, 118440), (252, 111390), (270, 103964), (280, 100251), (282, 99540), (315, 89112), (316, 88830), (329, 85320), (360, 77973), (376, 74655), (378, 74260), (395, 71064), (420, 66834), (423, 66360), (470, 59724), (474, 59220), (504, 55695), (540, 51982), (553, 50760), (564, 49770), (630, 44556), (632, 44415), (658, 42660), (705, 39816), (711, 39480), (756, 37130), (790, 35532), (840, 33417), (846, 33180), (940, 29862), (945, 29704), (948, 29610), (987, 28440), (1080, 25991), (1106, 25380), (1128, 24885), (1185, 23688), (1260, 22278), (1269, 22120), (1316, 21330), (1410, 19908), (1422, 19740), (1512, 18565), (1580, 17766), (1645, 17064), (1659, 16920), (1692, 16590), (1880, 14931), (1890, 14852), (1896, 14805), (1974, 14220), (2115, 13272), (2133, 13160), (2212, 12690), (2370, 11844), (2520, 11139), (2538, 11060), (2632, 10665), (2765, 10152), (2820, 9954), (2844, 9870), (2961, 9480), (3160, 8883), (3290, 8532), (3318, 8460), (3384, 8295), (3555, 7896), (3713, 7560), (3780, 7426), (3948, 7110), (4230, 6636), (4266, 6580), (4424, 6345), (4740, 5922), (4935, 5688), (4977, 5640), (5076, 5530)]