403218720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{280013}}^1$

素因数の和:280034

約数の個数: 72

約数和(自身を含む): 1375988796

約数和(自身を除く): 972770076

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 280013, 560026, 840039, 1120052, 1400065, 1680078, 2240104, 2520117, 2800130, 3360156, 4200195, 4480208, 5040234, 5600260, 6720312, 8400390, 8960416, 10080468, 11200520, 12600585, 13440624, 16800780, 20160936, 22401040, 25201170, 26881248, 33601560, 40321872, 44802080, 50402340, 67203120, 80643744, 100804680, 134406240, 201609360, 403218720]

約数ペア:

[(1, 403218720), (2, 201609360), (3, 134406240), (4, 100804680), (5, 80643744), (6, 67203120), (8, 50402340), (9, 44802080), (10, 40321872), (12, 33601560), (15, 26881248), (16, 25201170), (18, 22401040), (20, 20160936), (24, 16800780), (30, 13440624), (32, 12600585), (36, 11200520), (40, 10080468), (45, 8960416), (48, 8400390), (60, 6720312), (72, 5600260), (80, 5040234), (90, 4480208), (96, 4200195), (120, 3360156), (144, 2800130), (160, 2520117), (180, 2240104), (240, 1680078), (288, 1400065), (360, 1120052), (480, 840039), (720, 560026), (1440, 280013)]