61620780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 191842560

約数和(自身を除く): 130221780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 59, 60, 65, 78, 103, 118, 130, 156, 169, 177, 195, 206, 236, 260, 295, 309, 338, 354, 390, 412, 507, 515, 590, 618, 676, 708, 767, 780, 845, 885, 1014, 1030, 1180, 1236, 1339, 1534, 1545, 1690, 1770, 2028, 2060, 2301, 2535, 2678, 3068, 3090, 3380, 3540, 3835, 4017, 4602, 5070, 5356, 6077, 6180, 6695, 7670, 8034, 9204, 9971, 10140, 11505, 12154, 13390, 15340, 16068, 17407, 18231, 19942, 20085, 23010, 24308, 26780, 29913, 30385, 34814, 36462, 39884, 40170, 46020, 49855, 52221, 59826, 60770, 69628, 72924, 79001, 80340, 87035, 91155, 99710, 104442, 119652, 121540, 149565, 158002, 174070, 182310, 199420, 208884, 237003, 261105, 299130, 316004, 348140, 364620, 395005, 474006, 522210, 598260, 790010, 948012, 1027013, 1044420, 1185015, 1580020, 2054026, 2370030, 3081039, 4108052, 4740060, 5135065, 6162078, 10270130, 12324156, 15405195, 20540260, 30810390, 61620780]

約数ペア:

[(1, 61620780), (2, 30810390), (3, 20540260), (4, 15405195), (5, 12324156), (6, 10270130), (10, 6162078), (12, 5135065), (13, 4740060), (15, 4108052), (20, 3081039), (26, 2370030), (30, 2054026), (39, 1580020), (52, 1185015), (59, 1044420), (60, 1027013), (65, 948012), (78, 790010), (103, 598260), (118, 522210), (130, 474006), (156, 395005), (169, 364620), (177, 348140), (195, 316004), (206, 299130), (236, 261105), (260, 237003), (295, 208884), (309, 199420), (338, 182310), (354, 174070), (390, 158002), (412, 149565), (507, 121540), (515, 119652), (590, 104442), (618, 99710), (676, 91155), (708, 87035), (767, 80340), (780, 79001), (845, 72924), (885, 69628), (1014, 60770), (1030, 59826), (1180, 52221), (1236, 49855), (1339, 46020), (1534, 40170), (1545, 39884), (1690, 36462), (1770, 34814), (2028, 30385), (2060, 29913), (2301, 26780), (2535, 24308), (2678, 23010), (3068, 20085), (3090, 19942), (3380, 18231), (3540, 17407), (3835, 16068), (4017, 15340), (4602, 13390), (5070, 12154), (5356, 11505), (6077, 10140), (6180, 9971), (6695, 9204), (7670, 8034)]