203690340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{161659}}^1$

素因数の和:161681

約数の個数: 72

約数和(自身を含む): 706130880

約数和(自身を除く): 502440540

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, 161659, 323318, 484977, 646636, 808295, 969954, 1131613, 1454931, 1616590, 1939908, 2263226, 2424885, 2909862, 3233180, 3394839, 4526452, 4849770, 5658065, 5819724, 6789678, 7274655, 9699540, 10184517, 11316130, 13579356, 14549310, 16974195, 20369034, 22632260, 29098620, 33948390, 40738068, 50922585, 67896780, 101845170, 203690340]

約数ペア:

[(1, 203690340), (2, 101845170), (3, 67896780), (4, 50922585), (5, 40738068), (6, 33948390), (7, 29098620), (9, 22632260), (10, 20369034), (12, 16974195), (14, 14549310), (15, 13579356), (18, 11316130), (20, 10184517), (21, 9699540), (28, 7274655), (30, 6789678), (35, 5819724), (36, 5658065), (42, 4849770), (45, 4526452), (60, 3394839), (63, 3233180), (70, 2909862), (84, 2424885), (90, 2263226), (105, 1939908), (126, 1616590), (140, 1454931), (180, 1131613), (210, 969954), (252, 808295), (315, 646636), (420, 484977), (630, 323318), (1260, 161659)]