720602640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2521}}^1$

素因数の和:2937

約数の個数: 120

約数和(自身を含む): 2427082008

約数和(自身を除く): 1706479368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 397, 720, 794, 1191, 1588, 1985, 2382, 2521, 3176, 3573, 3970, 4764, 5042, 5955, 6352, 7146, 7563, 7940, 9528, 10084, 11910, 12605, 14292, 15126, 15880, 17865, 19056, 20168, 22689, 23820, 25210, 28584, 30252, 31760, 35730, 37815, 40336, 45378, 47640, 50420, 57168, 60504, 71460, 75630, 90756, 95280, 100840, 113445, 121008, 142920, 151260, 181512, 201680, 226890, 285840, 302520, 363024, 453780, 605040, 907560, 1000837, 1815120, 2001674, 3002511, 4003348, 5004185, 6005022, 8006696, 9007533, 10008370, 12010044, 15012555, 16013392, 18015066, 20016740, 24020088, 30025110, 36030132, 40033480, 45037665, 48040176, 60050220, 72060264, 80066960, 90075330, 120100440, 144120528, 180150660, 240200880, 360301320, 720602640]

約数ペア:

[(1, 720602640), (2, 360301320), (3, 240200880), (4, 180150660), (5, 144120528), (6, 120100440), (8, 90075330), (9, 80066960), (10, 72060264), (12, 60050220), (15, 48040176), (16, 45037665), (18, 40033480), (20, 36030132), (24, 30025110), (30, 24020088), (36, 20016740), (40, 18015066), (45, 16013392), (48, 15012555), (60, 12010044), (72, 10008370), (80, 9007533), (90, 8006696), (120, 6005022), (144, 5004185), (180, 4003348), (240, 3002511), (360, 2001674), (397, 1815120), (720, 1000837), (794, 907560), (1191, 605040), (1588, 453780), (1985, 363024), (2382, 302520), (2521, 285840), (3176, 226890), (3573, 201680), (3970, 181512), (4764, 151260), (5042, 142920), (5955, 121008), (6352, 113445), (7146, 100840), (7563, 95280), (7940, 90756), (9528, 75630), (10084, 71460), (11910, 60504), (12605, 57168), (14292, 50420), (15126, 47640), (15880, 45378), (17865, 40336), (19056, 37815), (20168, 35730), (22689, 31760), (23820, 30252), (25210, 28584)]