1976520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 7338240

約数和(自身を除く): 5361720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 181, 182, 195, 210, 260, 273, 280, 312, 362, 364, 390, 420, 455, 520, 543, 546, 724, 728, 780, 840, 905, 910, 1086, 1092, 1267, 1365, 1448, 1560, 1810, 1820, 2172, 2184, 2353, 2534, 2715, 2730, 3620, 3640, 3801, 4344, 4706, 5068, 5430, 5460, 6335, 7059, 7240, 7602, 9412, 10136, 10860, 10920, 11765, 12670, 14118, 15204, 16471, 18824, 19005, 21720, 23530, 25340, 28236, 30408, 32942, 35295, 38010, 47060, 49413, 50680, 56472, 65884, 70590, 76020, 82355, 94120, 98826, 131768, 141180, 152040, 164710, 197652, 247065, 282360, 329420, 395304, 494130, 658840, 988260, 1976520]

約数ペア:

[(1, 1976520), (2, 988260), (3, 658840), (4, 494130), (5, 395304), (6, 329420), (7, 282360), (8, 247065), (10, 197652), (12, 164710), (13, 152040), (14, 141180), (15, 131768), (20, 98826), (21, 94120), (24, 82355), (26, 76020), (28, 70590), (30, 65884), (35, 56472), (39, 50680), (40, 49413), (42, 47060), (52, 38010), (56, 35295), (60, 32942), (65, 30408), (70, 28236), (78, 25340), (84, 23530), (91, 21720), (104, 19005), (105, 18824), (120, 16471), (130, 15204), (140, 14118), (156, 12670), (168, 11765), (181, 10920), (182, 10860), (195, 10136), (210, 9412), (260, 7602), (273, 7240), (280, 7059), (312, 6335), (362, 5460), (364, 5430), (390, 5068), (420, 4706), (455, 4344), (520, 3801), (543, 3640), (546, 3620), (724, 2730), (728, 2715), (780, 2534), (840, 2353), (905, 2184), (910, 2172), (1086, 1820), (1092, 1810), (1267, 1560), (1365, 1448)]