305059840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^3$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 756362880

約数和(自身を除く): 451303040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 961, 992, 1024, 1240, 1280, 1922, 1984, 2048, 2480, 2560, 3844, 3968, 4805, 4960, 5120, 7688, 7936, 9610, 9920, 10240, 15376, 15872, 19220, 19840, 29791, 30752, 31744, 38440, 39680, 59582, 61504, 63488, 76880, 79360, 119164, 123008, 148955, 153760, 158720, 238328, 246016, 297910, 307520, 317440, 476656, 492032, 595820, 615040, 953312, 984064, 1191640, 1230080, 1906624, 1968128, 2383280, 2460160, 3813248, 4766560, 4920320, 7626496, 9533120, 9840640, 15252992, 19066240, 30505984, 38132480, 61011968, 76264960, 152529920, 305059840]

約数ペア:

[(1, 305059840), (2, 152529920), (4, 76264960), (5, 61011968), (8, 38132480), (10, 30505984), (16, 19066240), (20, 15252992), (31, 9840640), (32, 9533120), (40, 7626496), (62, 4920320), (64, 4766560), (80, 3813248), (124, 2460160), (128, 2383280), (155, 1968128), (160, 1906624), (248, 1230080), (256, 1191640), (310, 984064), (320, 953312), (496, 615040), (512, 595820), (620, 492032), (640, 476656), (961, 317440), (992, 307520), (1024, 297910), (1240, 246016), (1280, 238328), (1922, 158720), (1984, 153760), (2048, 148955), (2480, 123008), (2560, 119164), (3844, 79360), (3968, 76880), (4805, 63488), (4960, 61504), (5120, 59582), (7688, 39680), (7936, 38440), (9610, 31744), (9920, 30752), (10240, 29791), (15376, 19840), (15872, 19220)]