1320233720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{19381}}^1$

素因数の和:19536

約数の個数: 64

約数和(自身を含む): 3223614240

約数和(自身を除く): 1903380520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1310, 1703, 2620, 3406, 5240, 6812, 8515, 13624, 17030, 19381, 34060, 38762, 68120, 77524, 96905, 155048, 193810, 251953, 387620, 503906, 775240, 1007812, 1259765, 2015624, 2519530, 2538911, 5039060, 5077822, 10078120, 10155644, 12694555, 20311288, 25389110, 33005843, 50778220, 66011686, 101556440, 132023372, 165029215, 264046744, 330058430, 660116860, 1320233720]

約数ペア:

[(1, 1320233720), (2, 660116860), (4, 330058430), (5, 264046744), (8, 165029215), (10, 132023372), (13, 101556440), (20, 66011686), (26, 50778220), (40, 33005843), (52, 25389110), (65, 20311288), (104, 12694555), (130, 10155644), (131, 10078120), (260, 5077822), (262, 5039060), (520, 2538911), (524, 2519530), (655, 2015624), (1048, 1259765), (1310, 1007812), (1703, 775240), (2620, 503906), (3406, 387620), (5240, 251953), (6812, 193810), (8515, 155048), (13624, 96905), (17030, 77524), (19381, 68120), (34060, 38762)]