18898320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1607}}^1$

素因数の和:1637

約数の個数: 120

約数和(自身を含む): 68192064

約数和(自身を除く): 49293744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1607, 1680, 1960, 2352, 2940, 3214, 3920, 4821, 5880, 6428, 8035, 9642, 11249, 11760, 12856, 16070, 19284, 22498, 24105, 25712, 32140, 33747, 38568, 44996, 48210, 56245, 64280, 67494, 77136, 78743, 89992, 96420, 112490, 128560, 134988, 157486, 168735, 179984, 192840, 224980, 236229, 269976, 314972, 337470, 385680, 393715, 449960, 472458, 539952, 629944, 674940, 787430, 899920, 944916, 1181145, 1259888, 1349880, 1574860, 1889832, 2362290, 2699760, 3149720, 3779664, 4724580, 6299440, 9449160, 18898320]

約数ペア:

[(1, 18898320), (2, 9449160), (3, 6299440), (4, 4724580), (5, 3779664), (6, 3149720), (7, 2699760), (8, 2362290), (10, 1889832), (12, 1574860), (14, 1349880), (15, 1259888), (16, 1181145), (20, 944916), (21, 899920), (24, 787430), (28, 674940), (30, 629944), (35, 539952), (40, 472458), (42, 449960), (48, 393715), (49, 385680), (56, 337470), (60, 314972), (70, 269976), (80, 236229), (84, 224980), (98, 192840), (105, 179984), (112, 168735), (120, 157486), (140, 134988), (147, 128560), (168, 112490), (196, 96420), (210, 89992), (240, 78743), (245, 77136), (280, 67494), (294, 64280), (336, 56245), (392, 48210), (420, 44996), (490, 38568), (560, 33747), (588, 32140), (735, 25712), (784, 24105), (840, 22498), (980, 19284), (1176, 16070), (1470, 12856), (1607, 11760), (1680, 11249), (1960, 9642), (2352, 8035), (2940, 6428), (3214, 5880), (3920, 4821)]