72914940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{1181}}^1$

素因数の和:1217

約数の個数: 144

約数和(自身を含む): 258148800

約数和(自身を除く): 185233860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1181, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2362, 2940, 3087, 3430, 3543, 4116, 4410, 4724, 5145, 5905, 6174, 6860, 7086, 8267, 8820, 10290, 10629, 11810, 12348, 14172, 15435, 16534, 17715, 20580, 21258, 23620, 24801, 30870, 33068, 35430, 41335, 42516, 49602, 53145, 57869, 61740, 70860, 74403, 82670, 99204, 106290, 115738, 124005, 148806, 165340, 173607, 212580, 231476, 248010, 289345, 297612, 347214, 372015, 405083, 496020, 520821, 578690, 694428, 744030, 810166, 868035, 1041642, 1157380, 1215249, 1488060, 1620332, 1736070, 2025415, 2083284, 2430498, 2604105, 3472140, 3645747, 4050830, 4860996, 5208210, 6076245, 7291494, 8101660, 10416420, 12152490, 14582988, 18228735, 24304980, 36457470, 72914940]

約数ペア:

[(1, 72914940), (2, 36457470), (3, 24304980), (4, 18228735), (5, 14582988), (6, 12152490), (7, 10416420), (9, 8101660), (10, 7291494), (12, 6076245), (14, 5208210), (15, 4860996), (18, 4050830), (20, 3645747), (21, 3472140), (28, 2604105), (30, 2430498), (35, 2083284), (36, 2025415), (42, 1736070), (45, 1620332), (49, 1488060), (60, 1215249), (63, 1157380), (70, 1041642), (84, 868035), (90, 810166), (98, 744030), (105, 694428), (126, 578690), (140, 520821), (147, 496020), (180, 405083), (196, 372015), (210, 347214), (245, 297612), (252, 289345), (294, 248010), (315, 231476), (343, 212580), (420, 173607), (441, 165340), (490, 148806), (588, 124005), (630, 115738), (686, 106290), (735, 99204), (882, 82670), (980, 74403), (1029, 70860), (1181, 61740), (1260, 57869), (1372, 53145), (1470, 49602), (1715, 42516), (1764, 41335), (2058, 35430), (2205, 33068), (2362, 30870), (2940, 24801), (3087, 23620), (3430, 21258), (3543, 20580), (4116, 17715), (4410, 16534), (4724, 15435), (5145, 14172), (5905, 12348), (6174, 11810), (6860, 10629), (7086, 10290), (8267, 8820)]