406481280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1667}}^1$

素因数の和:1816

約数の個数: 128

約数和(自身を含む): 1306644480

約数和(自身を除く): 900163200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 320, 381, 384, 480, 508, 635, 640, 762, 960, 1016, 1270, 1524, 1667, 1905, 1920, 2032, 2540, 3048, 3334, 3810, 4064, 5001, 5080, 6096, 6668, 7620, 8128, 8335, 10002, 10160, 12192, 13336, 15240, 16256, 16670, 20004, 20320, 24384, 25005, 26672, 30480, 33340, 40008, 40640, 48768, 50010, 53344, 60960, 66680, 80016, 81280, 100020, 106688, 121920, 133360, 160032, 200040, 211709, 213376, 243840, 266720, 320064, 400080, 423418, 533440, 635127, 640128, 800160, 846836, 1058545, 1066880, 1270254, 1600320, 1693672, 2117090, 2540508, 3175635, 3200640, 3387344, 4234180, 5081016, 6351270, 6774688, 8468360, 10162032, 12702540, 13549376, 16936720, 20324064, 25405080, 27098752, 33873440, 40648128, 50810160, 67746880, 81296256, 101620320, 135493760, 203240640, 406481280]

約数ペア:

[(1, 406481280), (2, 203240640), (3, 135493760), (4, 101620320), (5, 81296256), (6, 67746880), (8, 50810160), (10, 40648128), (12, 33873440), (15, 27098752), (16, 25405080), (20, 20324064), (24, 16936720), (30, 13549376), (32, 12702540), (40, 10162032), (48, 8468360), (60, 6774688), (64, 6351270), (80, 5081016), (96, 4234180), (120, 3387344), (127, 3200640), (128, 3175635), (160, 2540508), (192, 2117090), (240, 1693672), (254, 1600320), (320, 1270254), (381, 1066880), (384, 1058545), (480, 846836), (508, 800160), (635, 640128), (640, 635127), (762, 533440), (960, 423418), (1016, 400080), (1270, 320064), (1524, 266720), (1667, 243840), (1905, 213376), (1920, 211709), (2032, 200040), (2540, 160032), (3048, 133360), (3334, 121920), (3810, 106688), (4064, 100020), (5001, 81280), (5080, 80016), (6096, 66680), (6668, 60960), (7620, 53344), (8128, 50010), (8335, 48768), (10002, 40640), (10160, 40008), (12192, 33340), (13336, 30480), (15240, 26672), (16256, 25005), (16670, 24384), (20004, 20320)]