156905820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1733}}^1$

素因数の和:2251

約数の個数: 72

約数和(自身を含む): 477169056

約数和(自身を除く): 320263236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503, 1006, 1509, 1733, 2012, 2515, 3018, 3466, 4527, 5030, 5199, 6036, 6932, 7545, 8665, 9054, 10060, 10398, 15090, 15597, 17330, 18108, 20796, 22635, 25995, 30180, 31194, 34660, 45270, 51990, 62388, 77985, 90540, 103980, 155970, 311940, 871699, 1743398, 2615097, 3486796, 4358495, 5230194, 7845291, 8716990, 10460388, 13075485, 15690582, 17433980, 26150970, 31381164, 39226455, 52301940, 78452910, 156905820]

約数ペア:

[(1, 156905820), (2, 78452910), (3, 52301940), (4, 39226455), (5, 31381164), (6, 26150970), (9, 17433980), (10, 15690582), (12, 13075485), (15, 10460388), (18, 8716990), (20, 7845291), (30, 5230194), (36, 4358495), (45, 3486796), (60, 2615097), (90, 1743398), (180, 871699), (503, 311940), (1006, 155970), (1509, 103980), (1733, 90540), (2012, 77985), (2515, 62388), (3018, 51990), (3466, 45270), (4527, 34660), (5030, 31194), (5199, 30180), (6036, 25995), (6932, 22635), (7545, 20796), (8665, 18108), (9054, 17330), (10060, 15597), (10398, 15090)]