42120390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6353}}^1$

素因数の和:6393

約数の個数: 64

約数和(自身を含む): 115286976

約数和(自身を除く): 73166586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6353, 6630, 12706, 19059, 31765, 38118, 63530, 82589, 95295, 108001, 165178, 190590, 216002, 247767, 324003, 412945, 495534, 540005, 648006, 825890, 1080010, 1238835, 1404013, 1620015, 2477670, 2808026, 3240030, 4212039, 7020065, 8424078, 14040130, 21060195, 42120390]

約数ペア:

[(1, 42120390), (2, 21060195), (3, 14040130), (5, 8424078), (6, 7020065), (10, 4212039), (13, 3240030), (15, 2808026), (17, 2477670), (26, 1620015), (30, 1404013), (34, 1238835), (39, 1080010), (51, 825890), (65, 648006), (78, 540005), (85, 495534), (102, 412945), (130, 324003), (170, 247767), (195, 216002), (221, 190590), (255, 165178), (390, 108001), (442, 95295), (510, 82589), (663, 63530), (1105, 38118), (1326, 31765), (2210, 19059), (3315, 12706), (6353, 6630)]