71823720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20639}}^1$

素因数の和:20682

約数の個数: 64

約数和(自身を含む): 222912000

約数和(自身を除く): 151088280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 20639, 41278, 61917, 82556, 103195, 123834, 165112, 206390, 247668, 309585, 412780, 495336, 598531, 619170, 825560, 1197062, 1238340, 1795593, 2394124, 2476680, 2992655, 3591186, 4788248, 5985310, 7182372, 8977965, 11970620, 14364744, 17955930, 23941240, 35911860, 71823720]

約数ペア:

[(1, 71823720), (2, 35911860), (3, 23941240), (4, 17955930), (5, 14364744), (6, 11970620), (8, 8977965), (10, 7182372), (12, 5985310), (15, 4788248), (20, 3591186), (24, 2992655), (29, 2476680), (30, 2394124), (40, 1795593), (58, 1238340), (60, 1197062), (87, 825560), (116, 619170), (120, 598531), (145, 495336), (174, 412780), (232, 309585), (290, 247668), (348, 206390), (435, 165112), (580, 123834), (696, 103195), (870, 82556), (1160, 61917), (1740, 41278), (3480, 20639)]