1331296240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{13093}}^1$

素因数の和:13178

約数の個数: 80

約数和(自身を含む): 3273290496

約数和(自身を除く): 1941994256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2480, 2542, 3280, 5084, 6355, 10168, 12710, 13093, 20336, 25420, 26186, 50840, 52372, 65465, 101680, 104744, 130930, 209488, 261860, 405883, 523720, 536813, 811766, 1047440, 1073626, 1623532, 2029415, 2147252, 2684065, 3247064, 4058830, 4294504, 5368130, 6494128, 8117660, 8589008, 10736260, 16235320, 16641203, 21472520, 32470640, 33282406, 42945040, 66564812, 83206015, 133129624, 166412030, 266259248, 332824060, 665648120, 1331296240]

約数ペア:

[(1, 1331296240), (2, 665648120), (4, 332824060), (5, 266259248), (8, 166412030), (10, 133129624), (16, 83206015), (20, 66564812), (31, 42945040), (40, 33282406), (41, 32470640), (62, 21472520), (80, 16641203), (82, 16235320), (124, 10736260), (155, 8589008), (164, 8117660), (205, 6494128), (248, 5368130), (310, 4294504), (328, 4058830), (410, 3247064), (496, 2684065), (620, 2147252), (656, 2029415), (820, 1623532), (1240, 1073626), (1271, 1047440), (1640, 811766), (2480, 536813), (2542, 523720), (3280, 405883), (5084, 261860), (6355, 209488), (10168, 130930), (12710, 104744), (13093, 101680), (20336, 65465), (25420, 52372), (26186, 50840)]