1819783980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1444273}}^1$

素因数の和:1444295

約数の個数: 72

約数和(自身を含む): 6308588832

約数和(自身を除く): 4488804852

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, 1444273, 2888546, 4332819, 5777092, 7221365, 8665638, 10109911, 12998457, 14442730, 17331276, 20219822, 21664095, 25996914, 28885460, 30329733, 40439644, 43328190, 50549555, 51993828, 60659466, 64992285, 86656380, 90989199, 101099110, 121318932, 129984570, 151648665, 181978398, 202198220, 259969140, 303297330, 363956796, 454945995, 606594660, 909891990, 1819783980]

約数ペア:

[(1, 1819783980), (2, 909891990), (3, 606594660), (4, 454945995), (5, 363956796), (6, 303297330), (7, 259969140), (9, 202198220), (10, 181978398), (12, 151648665), (14, 129984570), (15, 121318932), (18, 101099110), (20, 90989199), (21, 86656380), (28, 64992285), (30, 60659466), (35, 51993828), (36, 50549555), (42, 43328190), (45, 40439644), (60, 30329733), (63, 28885460), (70, 25996914), (84, 21664095), (90, 20219822), (105, 17331276), (126, 14442730), (140, 12998457), (180, 10109911), (210, 8665638), (252, 7221365), (315, 5777092), (420, 4332819), (630, 2888546), (1260, 1444273)]