31226520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 103803840

約数和(自身を除く): 72577320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 541, 555, 740, 780, 888, 962, 1082, 1110, 1443, 1480, 1560, 1623, 1924, 2164, 2220, 2405, 2705, 2886, 3246, 3848, 4328, 4440, 4810, 5410, 5772, 6492, 7033, 7215, 8115, 9620, 10820, 11544, 12984, 14066, 14430, 16230, 19240, 20017, 21099, 21640, 28132, 28860, 32460, 35165, 40034, 42198, 56264, 57720, 60051, 64920, 70330, 80068, 84396, 100085, 105495, 120102, 140660, 160136, 168792, 200170, 210990, 240204, 260221, 281320, 300255, 400340, 421980, 480408, 520442, 600510, 780663, 800680, 843960, 1040884, 1201020, 1301105, 1561326, 2081768, 2402040, 2602210, 3122652, 3903315, 5204420, 6245304, 7806630, 10408840, 15613260, 31226520]

約数ペア:

[(1, 31226520), (2, 15613260), (3, 10408840), (4, 7806630), (5, 6245304), (6, 5204420), (8, 3903315), (10, 3122652), (12, 2602210), (13, 2402040), (15, 2081768), (20, 1561326), (24, 1301105), (26, 1201020), (30, 1040884), (37, 843960), (39, 800680), (40, 780663), (52, 600510), (60, 520442), (65, 480408), (74, 421980), (78, 400340), (104, 300255), (111, 281320), (120, 260221), (130, 240204), (148, 210990), (156, 200170), (185, 168792), (195, 160136), (222, 140660), (260, 120102), (296, 105495), (312, 100085), (370, 84396), (390, 80068), (444, 70330), (481, 64920), (520, 60051), (541, 57720), (555, 56264), (740, 42198), (780, 40034), (888, 35165), (962, 32460), (1082, 28860), (1110, 28132), (1443, 21640), (1480, 21099), (1560, 20017), (1623, 19240), (1924, 16230), (2164, 14430), (2220, 14066), (2405, 12984), (2705, 11544), (2886, 10820), (3246, 9620), (3848, 8115), (4328, 7215), (4440, 7033), (4810, 6492), (5410, 5772)]