72172980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36451}}^1$

素因数の和:36477

約数の個数: 72

約数和(自身を含む): 238833504

約数和(自身を除く): 166660524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 36451, 72902, 109353, 145804, 182255, 218706, 328059, 364510, 400961, 437412, 546765, 656118, 729020, 801922, 1093530, 1202883, 1312236, 1603844, 1640295, 2004805, 2187060, 2405766, 3280590, 3608649, 4009610, 4811532, 6014415, 6561180, 7217298, 8019220, 12028830, 14434596, 18043245, 24057660, 36086490, 72172980]

約数ペア:

[(1, 72172980), (2, 36086490), (3, 24057660), (4, 18043245), (5, 14434596), (6, 12028830), (9, 8019220), (10, 7217298), (11, 6561180), (12, 6014415), (15, 4811532), (18, 4009610), (20, 3608649), (22, 3280590), (30, 2405766), (33, 2187060), (36, 2004805), (44, 1640295), (45, 1603844), (55, 1312236), (60, 1202883), (66, 1093530), (90, 801922), (99, 729020), (110, 656118), (132, 546765), (165, 437412), (180, 400961), (198, 364510), (220, 328059), (330, 218706), (396, 182255), (495, 145804), (660, 109353), (990, 72902), (1980, 36451)]