1715320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 4240800

約数和(自身を除く): 2525480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 61, 74, 76, 95, 122, 148, 152, 185, 190, 244, 296, 305, 370, 380, 488, 610, 703, 740, 760, 1159, 1220, 1406, 1480, 2257, 2318, 2440, 2812, 3515, 4514, 4636, 5624, 5795, 7030, 9028, 9272, 11285, 11590, 14060, 18056, 22570, 23180, 28120, 42883, 45140, 46360, 85766, 90280, 171532, 214415, 343064, 428830, 857660, 1715320]

約数ペア:

[(1, 1715320), (2, 857660), (4, 428830), (5, 343064), (8, 214415), (10, 171532), (19, 90280), (20, 85766), (37, 46360), (38, 45140), (40, 42883), (61, 28120), (74, 23180), (76, 22570), (95, 18056), (122, 14060), (148, 11590), (152, 11285), (185, 9272), (190, 9028), (244, 7030), (296, 5795), (305, 5624), (370, 4636), (380, 4514), (488, 3515), (610, 2812), (703, 2440), (740, 2318), (760, 2257), (1159, 1480), (1220, 1406)]