4004280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{227}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 15205320

約数和(自身を除く): 11201040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 227, 245, 252, 280, 294, 315, 360, 392, 420, 441, 454, 490, 504, 588, 630, 681, 735, 840, 882, 908, 980, 1135, 1176, 1260, 1362, 1470, 1589, 1764, 1816, 1960, 2043, 2205, 2270, 2520, 2724, 2940, 3178, 3405, 3528, 4086, 4410, 4540, 4767, 5448, 5880, 6356, 6810, 7945, 8172, 8820, 9080, 9534, 10215, 11123, 12712, 13620, 14301, 15890, 16344, 17640, 19068, 20430, 22246, 23835, 27240, 28602, 31780, 33369, 38136, 40860, 44492, 47670, 55615, 57204, 63560, 66738, 71505, 81720, 88984, 95340, 100107, 111230, 114408, 133476, 143010, 166845, 190680, 200214, 222460, 266952, 286020, 333690, 400428, 444920, 500535, 572040, 667380, 800856, 1001070, 1334760, 2002140, 4004280]

約数ペア:

[(1, 4004280), (2, 2002140), (3, 1334760), (4, 1001070), (5, 800856), (6, 667380), (7, 572040), (8, 500535), (9, 444920), (10, 400428), (12, 333690), (14, 286020), (15, 266952), (18, 222460), (20, 200214), (21, 190680), (24, 166845), (28, 143010), (30, 133476), (35, 114408), (36, 111230), (40, 100107), (42, 95340), (45, 88984), (49, 81720), (56, 71505), (60, 66738), (63, 63560), (70, 57204), (72, 55615), (84, 47670), (90, 44492), (98, 40860), (105, 38136), (120, 33369), (126, 31780), (140, 28602), (147, 27240), (168, 23835), (180, 22246), (196, 20430), (210, 19068), (227, 17640), (245, 16344), (252, 15890), (280, 14301), (294, 13620), (315, 12712), (360, 11123), (392, 10215), (420, 9534), (441, 9080), (454, 8820), (490, 8172), (504, 7945), (588, 6810), (630, 6356), (681, 5880), (735, 5448), (840, 4767), (882, 4540), (908, 4410), (980, 4086), (1135, 3528), (1176, 3405), (1260, 3178), (1362, 2940), (1470, 2724), (1589, 2520), (1764, 2270), (1816, 2205), (1960, 2043)]