320824980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{254623}}^1$

素因数の和:254645

約数の個数: 72

約数和(自身を含む): 1112197632

約数和(自身を除く): 791372652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 254623, 509246, 763869, 1018492, 1273115, 1527738, 1782361, 2291607, 2546230, 3055476, 3564722, 3819345, 4583214, 5092460, 5347083, 7129444, 7638690, 8911805, 9166428, 10694166, 11458035, 15277380, 16041249, 17823610, 21388332, 22916070, 26735415, 32082498, 35647220, 45832140, 53470830, 64164996, 80206245, 106941660, 160412490, 320824980]

約数ペア:

[(1, 320824980), (2, 160412490), (3, 106941660), (4, 80206245), (5, 64164996), (6, 53470830), (7, 45832140), (9, 35647220), (10, 32082498), (12, 26735415), (14, 22916070), (15, 21388332), (18, 17823610), (20, 16041249), (21, 15277380), (28, 11458035), (30, 10694166), (35, 9166428), (36, 8911805), (42, 7638690), (45, 7129444), (60, 5347083), (63, 5092460), (70, 4583214), (84, 3819345), (90, 3564722), (105, 3055476), (126, 2546230), (140, 2291607), (180, 1782361), (210, 1527738), (252, 1273115), (315, 1018492), (420, 763869), (630, 509246), (1260, 254623)]