203196420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{161267}}^1$

素因数の和:161289

約数の個数: 72

約数和(自身を含む): 704418624

約数和(自身を除く): 501222204

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, 161267, 322534, 483801, 645068, 806335, 967602, 1128869, 1451403, 1612670, 1935204, 2257738, 2419005, 2902806, 3225340, 3386607, 4515476, 4838010, 5644345, 5805612, 6773214, 7257015, 9676020, 10159821, 11288690, 13546428, 14514030, 16933035, 20319642, 22577380, 29028060, 33866070, 40639284, 50799105, 67732140, 101598210, 203196420]

約数ペア:

[(1, 203196420), (2, 101598210), (3, 67732140), (4, 50799105), (5, 40639284), (6, 33866070), (7, 29028060), (9, 22577380), (10, 20319642), (12, 16933035), (14, 14514030), (15, 13546428), (18, 11288690), (20, 10159821), (21, 9676020), (28, 7257015), (30, 6773214), (35, 5805612), (36, 5644345), (42, 4838010), (45, 4515476), (60, 3386607), (63, 3225340), (70, 2902806), (84, 2419005), (90, 2257738), (105, 1935204), (126, 1612670), (140, 1451403), (180, 1128869), (210, 967602), (252, 806335), (315, 645068), (420, 483801), (630, 322534), (1260, 161267)]