82431720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4673}}^1$

素因数の和:4704

約数の個数: 144

約数和(自身を含む): 311709060

約数和(自身を除く): 229277340

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, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 4673, 5880, 8820, 9346, 14019, 17640, 18692, 23365, 28038, 32711, 37384, 42057, 46730, 56076, 65422, 70095, 84114, 93460, 98133, 112152, 130844, 140190, 163555, 168228, 186920, 196266, 210285, 228977, 261688, 280380, 294399, 327110, 336456, 392532, 420570, 457954, 490665, 560760, 588798, 654220, 686931, 785064, 841140, 915908, 981330, 1144885, 1177596, 1308440, 1373862, 1471995, 1682280, 1831816, 1962660, 2060793, 2289770, 2355192, 2747724, 2943990, 3434655, 3925320, 4121586, 4579540, 5495448, 5887980, 6869310, 8243172, 9159080, 10303965, 11775960, 13738620, 16486344, 20607930, 27477240, 41215860, 82431720]

約数ペア:

[(1, 82431720), (2, 41215860), (3, 27477240), (4, 20607930), (5, 16486344), (6, 13738620), (7, 11775960), (8, 10303965), (9, 9159080), (10, 8243172), (12, 6869310), (14, 5887980), (15, 5495448), (18, 4579540), (20, 4121586), (21, 3925320), (24, 3434655), (28, 2943990), (30, 2747724), (35, 2355192), (36, 2289770), (40, 2060793), (42, 1962660), (45, 1831816), (49, 1682280), (56, 1471995), (60, 1373862), (63, 1308440), (70, 1177596), (72, 1144885), (84, 981330), (90, 915908), (98, 841140), (105, 785064), (120, 686931), (126, 654220), (140, 588798), (147, 560760), (168, 490665), (180, 457954), (196, 420570), (210, 392532), (245, 336456), (252, 327110), (280, 294399), (294, 280380), (315, 261688), (360, 228977), (392, 210285), (420, 196266), (441, 186920), (490, 168228), (504, 163555), (588, 140190), (630, 130844), (735, 112152), (840, 98133), (882, 93460), (980, 84114), (1176, 70095), (1260, 65422), (1470, 56076), (1764, 46730), (1960, 42057), (2205, 37384), (2520, 32711), (2940, 28038), (3528, 23365), (4410, 18692), (4673, 17640), (5880, 14019), (8820, 9346)]