405061920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2731}}^1$

素因数の和:2855

約数の個数: 144

約数和(自身を含む): 1396204992

約数和(自身を除く): 991143072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 103, 120, 144, 160, 180, 206, 240, 288, 309, 360, 412, 480, 515, 618, 720, 824, 927, 1030, 1236, 1440, 1545, 1648, 1854, 2060, 2472, 2731, 3090, 3296, 3708, 4120, 4635, 4944, 5462, 6180, 7416, 8193, 8240, 9270, 9888, 10924, 12360, 13655, 14832, 16386, 16480, 18540, 21848, 24579, 24720, 27310, 29664, 32772, 37080, 40965, 43696, 49158, 49440, 54620, 65544, 74160, 81930, 87392, 98316, 109240, 122895, 131088, 148320, 163860, 196632, 218480, 245790, 262176, 281293, 327720, 393264, 436960, 491580, 562586, 655440, 786528, 843879, 983160, 1125172, 1310880, 1406465, 1687758, 1966320, 2250344, 2531637, 2812930, 3375516, 3932640, 4219395, 4500688, 5063274, 5625860, 6751032, 8438790, 9001376, 10126548, 11251720, 12658185, 13502064, 16877580, 20253096, 22503440, 25316370, 27004128, 33755160, 40506192, 45006880, 50632740, 67510320, 81012384, 101265480, 135020640, 202530960, 405061920]

約数ペア:

[(1, 405061920), (2, 202530960), (3, 135020640), (4, 101265480), (5, 81012384), (6, 67510320), (8, 50632740), (9, 45006880), (10, 40506192), (12, 33755160), (15, 27004128), (16, 25316370), (18, 22503440), (20, 20253096), (24, 16877580), (30, 13502064), (32, 12658185), (36, 11251720), (40, 10126548), (45, 9001376), (48, 8438790), (60, 6751032), (72, 5625860), (80, 5063274), (90, 4500688), (96, 4219395), (103, 3932640), (120, 3375516), (144, 2812930), (160, 2531637), (180, 2250344), (206, 1966320), (240, 1687758), (288, 1406465), (309, 1310880), (360, 1125172), (412, 983160), (480, 843879), (515, 786528), (618, 655440), (720, 562586), (824, 491580), (927, 436960), (1030, 393264), (1236, 327720), (1440, 281293), (1545, 262176), (1648, 245790), (1854, 218480), (2060, 196632), (2472, 163860), (2731, 148320), (3090, 131088), (3296, 122895), (3708, 109240), (4120, 98316), (4635, 87392), (4944, 81930), (5462, 74160), (6180, 65544), (7416, 54620), (8193, 49440), (8240, 49158), (9270, 43696), (9888, 40965), (10924, 37080), (12360, 32772), (13655, 29664), (14832, 27310), (16386, 24720), (16480, 24579), (18540, 21848)]