400296720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{3083}}^1$

素因数の和:3640

約数の個数: 80

約数和(自身を含む): 1243616832

約数和(自身を除く): 843320112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 541, 1082, 1623, 2164, 2705, 3083, 3246, 4328, 5410, 6166, 6492, 8115, 8656, 9249, 10820, 12332, 12984, 15415, 16230, 18498, 21640, 24664, 25968, 30830, 32460, 36996, 43280, 46245, 49328, 61660, 64920, 73992, 92490, 123320, 129840, 147984, 184980, 246640, 369960, 739920, 1667903, 3335806, 5003709, 6671612, 8339515, 10007418, 13343224, 16679030, 20014836, 25018545, 26686448, 33358060, 40029672, 50037090, 66716120, 80059344, 100074180, 133432240, 200148360, 400296720]

約数ペア:

[(1, 400296720), (2, 200148360), (3, 133432240), (4, 100074180), (5, 80059344), (6, 66716120), (8, 50037090), (10, 40029672), (12, 33358060), (15, 26686448), (16, 25018545), (20, 20014836), (24, 16679030), (30, 13343224), (40, 10007418), (48, 8339515), (60, 6671612), (80, 5003709), (120, 3335806), (240, 1667903), (541, 739920), (1082, 369960), (1623, 246640), (2164, 184980), (2705, 147984), (3083, 129840), (3246, 123320), (4328, 92490), (5410, 73992), (6166, 64920), (6492, 61660), (8115, 49328), (8656, 46245), (9249, 43280), (10820, 36996), (12332, 32460), (12984, 30830), (15415, 25968), (16230, 24664), (18498, 21640)]