171405390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:394

約数の個数: 128

約数和(自身を含む): 475517952

約数和(自身を除く): 304112562

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 103, 130, 170, 195, 206, 221, 251, 255, 309, 390, 442, 502, 510, 515, 618, 663, 753, 1030, 1105, 1255, 1326, 1339, 1506, 1545, 1751, 2210, 2510, 2678, 3090, 3263, 3315, 3502, 3765, 4017, 4267, 5253, 6526, 6630, 6695, 7530, 8034, 8534, 8755, 9789, 10506, 12801, 13390, 16315, 17510, 19578, 20085, 21335, 22763, 25602, 25853, 26265, 32630, 40170, 42670, 45526, 48945, 51706, 52530, 55471, 64005, 68289, 77559, 97890, 110942, 113815, 128010, 129265, 136578, 155118, 166413, 227630, 258530, 277355, 332826, 336089, 341445, 387795, 439501, 554710, 672178, 682890, 775590, 832065, 879002, 1008267, 1318503, 1664130, 1680445, 2016534, 2197505, 2637006, 3360890, 4395010, 5041335, 5713513, 6592515, 10082670, 11427026, 13185030, 17140539, 28567565, 34281078, 57135130, 85702695, 171405390]

約数ペア:

[(1, 171405390), (2, 85702695), (3, 57135130), (5, 34281078), (6, 28567565), (10, 17140539), (13, 13185030), (15, 11427026), (17, 10082670), (26, 6592515), (30, 5713513), (34, 5041335), (39, 4395010), (51, 3360890), (65, 2637006), (78, 2197505), (85, 2016534), (102, 1680445), (103, 1664130), (130, 1318503), (170, 1008267), (195, 879002), (206, 832065), (221, 775590), (251, 682890), (255, 672178), (309, 554710), (390, 439501), (442, 387795), (502, 341445), (510, 336089), (515, 332826), (618, 277355), (663, 258530), (753, 227630), (1030, 166413), (1105, 155118), (1255, 136578), (1326, 129265), (1339, 128010), (1506, 113815), (1545, 110942), (1751, 97890), (2210, 77559), (2510, 68289), (2678, 64005), (3090, 55471), (3263, 52530), (3315, 51706), (3502, 48945), (3765, 45526), (4017, 42670), (4267, 40170), (5253, 32630), (6526, 26265), (6630, 25853), (6695, 25602), (7530, 22763), (8034, 21335), (8534, 20085), (8755, 19578), (9789, 17510), (10506, 16315), (12801, 13390)]