718366720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 1805452740

約数和(自身を除く): 1087086020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 124, 128, 146, 155, 160, 248, 256, 292, 310, 320, 365, 496, 512, 584, 620, 640, 730, 961, 992, 1024, 1168, 1240, 1280, 1460, 1922, 1984, 2048, 2263, 2336, 2480, 2560, 2920, 3844, 3968, 4526, 4672, 4805, 4960, 5120, 5840, 7688, 7936, 9052, 9344, 9610, 9920, 10240, 11315, 11680, 15376, 15872, 18104, 18688, 19220, 19840, 22630, 23360, 30752, 31744, 36208, 37376, 38440, 39680, 45260, 46720, 61504, 63488, 70153, 72416, 74752, 76880, 79360, 90520, 93440, 123008, 140306, 144832, 149504, 153760, 158720, 181040, 186880, 246016, 280612, 289664, 307520, 317440, 350765, 362080, 373760, 492032, 561224, 579328, 615040, 701530, 724160, 747520, 984064, 1122448, 1158656, 1230080, 1403060, 1448320, 1968128, 2244896, 2317312, 2460160, 2806120, 2896640, 4489792, 4634624, 4920320, 5612240, 5793280, 8979584, 9840640, 11224480, 11586560, 17959168, 22448960, 23173120, 35918336, 44897920, 71836672, 89795840, 143673344, 179591680, 359183360, 718366720]

約数ペア:

[(1, 718366720), (2, 359183360), (4, 179591680), (5, 143673344), (8, 89795840), (10, 71836672), (16, 44897920), (20, 35918336), (31, 23173120), (32, 22448960), (40, 17959168), (62, 11586560), (64, 11224480), (73, 9840640), (80, 8979584), (124, 5793280), (128, 5612240), (146, 4920320), (155, 4634624), (160, 4489792), (248, 2896640), (256, 2806120), (292, 2460160), (310, 2317312), (320, 2244896), (365, 1968128), (496, 1448320), (512, 1403060), (584, 1230080), (620, 1158656), (640, 1122448), (730, 984064), (961, 747520), (992, 724160), (1024, 701530), (1168, 615040), (1240, 579328), (1280, 561224), (1460, 492032), (1922, 373760), (1984, 362080), (2048, 350765), (2263, 317440), (2336, 307520), (2480, 289664), (2560, 280612), (2920, 246016), (3844, 186880), (3968, 181040), (4526, 158720), (4672, 153760), (4805, 149504), (4960, 144832), (5120, 140306), (5840, 123008), (7688, 93440), (7936, 90520), (9052, 79360), (9344, 76880), (9610, 74752), (9920, 72416), (10240, 70153), (11315, 63488), (11680, 61504), (15376, 46720), (15872, 45260), (18104, 39680), (18688, 38440), (19220, 37376), (19840, 36208), (22630, 31744), (23360, 30752)]