720383940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97613}}^1$

素因数の和:97669

約数の個数: 72

約数和(自身を含む): 2238484248

約数和(自身を除く): 1518100308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 97613, 195226, 292839, 390452, 488065, 585678, 878517, 976130, 1171356, 1464195, 1757034, 1952260, 2928390, 3514068, 4002133, 4392585, 5856780, 8004266, 8785170, 12006399, 16008532, 17570340, 20010665, 24012798, 36019197, 40021330, 48025596, 60031995, 72038394, 80042660, 120063990, 144076788, 180095985, 240127980, 360191970, 720383940]

約数ペア:

[(1, 720383940), (2, 360191970), (3, 240127980), (4, 180095985), (5, 144076788), (6, 120063990), (9, 80042660), (10, 72038394), (12, 60031995), (15, 48025596), (18, 40021330), (20, 36019197), (30, 24012798), (36, 20010665), (41, 17570340), (45, 16008532), (60, 12006399), (82, 8785170), (90, 8004266), (123, 5856780), (164, 4392585), (180, 4002133), (205, 3514068), (246, 2928390), (369, 1952260), (410, 1757034), (492, 1464195), (615, 1171356), (738, 976130), (820, 878517), (1230, 585678), (1476, 488065), (1845, 390452), (2460, 292839), (3690, 195226), (7380, 97613)]