1388406420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12071}}^1$

素因数の和:12163

約数の個数: 120

約数和(自身を含む): 4417193088

約数和(自身を除く): 3028786668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 710, 810, 852, 1065, 1278, 1420, 1620, 1917, 2130, 2556, 3195, 3834, 4260, 5751, 6390, 7668, 9585, 11502, 12071, 12780, 19170, 23004, 24142, 28755, 36213, 38340, 48284, 57510, 60355, 72426, 108639, 115020, 120710, 144852, 181065, 217278, 241420, 325917, 362130, 434556, 543195, 651834, 724260, 857041, 977751, 1086390, 1303668, 1629585, 1714082, 1955502, 2172780, 2571123, 3259170, 3428164, 3911004, 4285205, 4888755, 5142246, 6518340, 7713369, 8570410, 9777510, 10284492, 12855615, 15426738, 17140820, 19555020, 23140107, 25711230, 30853476, 38566845, 46280214, 51422460, 69420321, 77133690, 92560428, 115700535, 138840642, 154267380, 231401070, 277681284, 347101605, 462802140, 694203210, 1388406420]

約数ペア:

[(1, 1388406420), (2, 694203210), (3, 462802140), (4, 347101605), (5, 277681284), (6, 231401070), (9, 154267380), (10, 138840642), (12, 115700535), (15, 92560428), (18, 77133690), (20, 69420321), (27, 51422460), (30, 46280214), (36, 38566845), (45, 30853476), (54, 25711230), (60, 23140107), (71, 19555020), (81, 17140820), (90, 15426738), (108, 12855615), (135, 10284492), (142, 9777510), (162, 8570410), (180, 7713369), (213, 6518340), (270, 5142246), (284, 4888755), (324, 4285205), (355, 3911004), (405, 3428164), (426, 3259170), (540, 2571123), (639, 2172780), (710, 1955502), (810, 1714082), (852, 1629585), (1065, 1303668), (1278, 1086390), (1420, 977751), (1620, 857041), (1917, 724260), (2130, 651834), (2556, 543195), (3195, 434556), (3834, 362130), (4260, 325917), (5751, 241420), (6390, 217278), (7668, 181065), (9585, 144852), (11502, 120710), (12071, 115020), (12780, 108639), (19170, 72426), (23004, 60355), (24142, 57510), (28755, 48284), (36213, 38340)]