28347480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1607}}^1$

素因数の和:1638

約数の個数: 144

約数和(自身を含む): 107237520

約数和(自身を除く): 78890040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1607, 1764, 1960, 2205, 2520, 2940, 3214, 3528, 4410, 4821, 5880, 6428, 8035, 8820, 9642, 11249, 12856, 14463, 16070, 17640, 19284, 22498, 24105, 28926, 32140, 33747, 38568, 44996, 48210, 56245, 57852, 64280, 67494, 72315, 78743, 89992, 96420, 101241, 112490, 115704, 134988, 144630, 157486, 168735, 192840, 202482, 224980, 236229, 269976, 289260, 314972, 337470, 393715, 404964, 449960, 472458, 506205, 578520, 629944, 674940, 708687, 787430, 809928, 944916, 1012410, 1181145, 1349880, 1417374, 1574860, 1889832, 2024820, 2362290, 2834748, 3149720, 3543435, 4049640, 4724580, 5669496, 7086870, 9449160, 14173740, 28347480]

約数ペア:

[(1, 28347480), (2, 14173740), (3, 9449160), (4, 7086870), (5, 5669496), (6, 4724580), (7, 4049640), (8, 3543435), (9, 3149720), (10, 2834748), (12, 2362290), (14, 2024820), (15, 1889832), (18, 1574860), (20, 1417374), (21, 1349880), (24, 1181145), (28, 1012410), (30, 944916), (35, 809928), (36, 787430), (40, 708687), (42, 674940), (45, 629944), (49, 578520), (56, 506205), (60, 472458), (63, 449960), (70, 404964), (72, 393715), (84, 337470), (90, 314972), (98, 289260), (105, 269976), (120, 236229), (126, 224980), (140, 202482), (147, 192840), (168, 168735), (180, 157486), (196, 144630), (210, 134988), (245, 115704), (252, 112490), (280, 101241), (294, 96420), (315, 89992), (360, 78743), (392, 72315), (420, 67494), (441, 64280), (490, 57852), (504, 56245), (588, 48210), (630, 44996), (735, 38568), (840, 33747), (882, 32140), (980, 28926), (1176, 24105), (1260, 22498), (1470, 19284), (1607, 17640), (1764, 16070), (1960, 14463), (2205, 12856), (2520, 11249), (2940, 9642), (3214, 8820), (3528, 8035), (4410, 6428), (4821, 5880)]