281785140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17203}}^1$

素因数の和:17238

約数の個数: 144

約数和(自身を含む): 1052059008

約数和(自身を除く): 770273868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 17203, 34406, 51609, 68812, 86015, 103218, 120421, 154827, 172030, 206436, 223639, 240842, 258045, 309654, 344060, 361263, 447278, 481684, 516090, 602105, 619308, 670917, 722526, 774135, 894556, 1032180, 1083789, 1118195, 1204210, 1341834, 1445052, 1548270, 1565473, 1806315, 2012751, 2167578, 2236390, 2408420, 2683668, 3096540, 3130946, 3354585, 3612630, 4025502, 4335156, 4472780, 4696419, 5418945, 6261892, 6709170, 7225260, 7827365, 8051004, 9392838, 10063755, 10837890, 13418340, 14089257, 15654730, 18785676, 20127510, 21675780, 23482095, 28178514, 31309460, 40255020, 46964190, 56357028, 70446285, 93928380, 140892570, 281785140]

約数ペア:

[(1, 281785140), (2, 140892570), (3, 93928380), (4, 70446285), (5, 56357028), (6, 46964190), (7, 40255020), (9, 31309460), (10, 28178514), (12, 23482095), (13, 21675780), (14, 20127510), (15, 18785676), (18, 15654730), (20, 14089257), (21, 13418340), (26, 10837890), (28, 10063755), (30, 9392838), (35, 8051004), (36, 7827365), (39, 7225260), (42, 6709170), (45, 6261892), (52, 5418945), (60, 4696419), (63, 4472780), (65, 4335156), (70, 4025502), (78, 3612630), (84, 3354585), (90, 3130946), (91, 3096540), (105, 2683668), (117, 2408420), (126, 2236390), (130, 2167578), (140, 2012751), (156, 1806315), (180, 1565473), (182, 1548270), (195, 1445052), (210, 1341834), (234, 1204210), (252, 1118195), (260, 1083789), (273, 1032180), (315, 894556), (364, 774135), (390, 722526), (420, 670917), (455, 619308), (468, 602105), (546, 516090), (585, 481684), (630, 447278), (780, 361263), (819, 344060), (910, 309654), (1092, 258045), (1170, 240842), (1260, 223639), (1365, 206436), (1638, 172030), (1820, 154827), (2340, 120421), (2730, 103218), (3276, 86015), (4095, 68812), (5460, 51609), (8190, 34406), (16380, 17203)]