65444720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2454

約数の個数: 80

約数和(自身を含む): 171417600

約数和(自身を除く): 105972880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2399, 2480, 2728, 3410, 4798, 5456, 6820, 9596, 11995, 13640, 19192, 23990, 26389, 27280, 38384, 47980, 52778, 74369, 95960, 105556, 131945, 148738, 191920, 211112, 263890, 297476, 371845, 422224, 527780, 594952, 743690, 818059, 1055560, 1189904, 1487380, 1636118, 2111120, 2974760, 3272236, 4090295, 5949520, 6544472, 8180590, 13088944, 16361180, 32722360, 65444720]

約数ペア:

[(1, 65444720), (2, 32722360), (4, 16361180), (5, 13088944), (8, 8180590), (10, 6544472), (11, 5949520), (16, 4090295), (20, 3272236), (22, 2974760), (31, 2111120), (40, 1636118), (44, 1487380), (55, 1189904), (62, 1055560), (80, 818059), (88, 743690), (110, 594952), (124, 527780), (155, 422224), (176, 371845), (220, 297476), (248, 263890), (310, 211112), (341, 191920), (440, 148738), (496, 131945), (620, 105556), (682, 95960), (880, 74369), (1240, 52778), (1364, 47980), (1705, 38384), (2399, 27280), (2480, 26389), (2728, 23990), (3410, 19192), (4798, 13640), (5456, 11995), (6820, 9596)]