16490460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 55157760

約数和(自身を除く): 38667300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 79, 84, 98, 105, 140, 142, 147, 158, 196, 210, 213, 237, 245, 284, 294, 316, 355, 395, 420, 426, 474, 490, 497, 553, 588, 710, 735, 790, 852, 948, 980, 994, 1065, 1106, 1185, 1420, 1470, 1491, 1580, 1659, 1988, 2130, 2212, 2370, 2485, 2765, 2940, 2982, 3318, 3479, 3871, 4260, 4740, 4970, 5530, 5609, 5964, 6636, 6958, 7455, 7742, 8295, 9940, 10437, 11060, 11218, 11613, 13916, 14910, 15484, 16590, 16827, 17395, 19355, 20874, 22436, 23226, 28045, 29820, 33180, 33654, 34790, 38710, 39263, 41748, 46452, 52185, 56090, 58065, 67308, 69580, 77420, 78526, 84135, 104370, 112180, 116130, 117789, 157052, 168270, 196315, 208740, 232260, 235578, 274841, 336540, 392630, 471156, 549682, 588945, 785260, 824523, 1099364, 1177890, 1374205, 1649046, 2355780, 2748410, 3298092, 4122615, 5496820, 8245230, 16490460]

約数ペア:

[(1, 16490460), (2, 8245230), (3, 5496820), (4, 4122615), (5, 3298092), (6, 2748410), (7, 2355780), (10, 1649046), (12, 1374205), (14, 1177890), (15, 1099364), (20, 824523), (21, 785260), (28, 588945), (30, 549682), (35, 471156), (42, 392630), (49, 336540), (60, 274841), (70, 235578), (71, 232260), (79, 208740), (84, 196315), (98, 168270), (105, 157052), (140, 117789), (142, 116130), (147, 112180), (158, 104370), (196, 84135), (210, 78526), (213, 77420), (237, 69580), (245, 67308), (284, 58065), (294, 56090), (316, 52185), (355, 46452), (395, 41748), (420, 39263), (426, 38710), (474, 34790), (490, 33654), (497, 33180), (553, 29820), (588, 28045), (710, 23226), (735, 22436), (790, 20874), (852, 19355), (948, 17395), (980, 16827), (994, 16590), (1065, 15484), (1106, 14910), (1185, 13916), (1420, 11613), (1470, 11218), (1491, 11060), (1580, 10437), (1659, 9940), (1988, 8295), (2130, 7742), (2212, 7455), (2370, 6958), (2485, 6636), (2765, 5964), (2940, 5609), (2982, 5530), (3318, 4970), (3479, 4740), (3871, 4260)]