78001380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 247899960

約数和(自身を除く): 169898580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 267, 270, 324, 356, 405, 445, 534, 540, 541, 801, 810, 890, 1068, 1082, 1335, 1602, 1620, 1623, 1780, 2164, 2403, 2670, 2705, 3204, 3246, 4005, 4806, 4869, 5340, 5410, 6492, 7209, 8010, 8115, 9612, 9738, 10820, 12015, 14418, 14607, 16020, 16230, 19476, 24030, 24345, 28836, 29214, 32460, 36045, 43821, 48060, 48149, 48690, 58428, 72090, 73035, 87642, 96298, 97380, 144180, 144447, 146070, 175284, 192596, 219105, 240745, 288894, 292140, 433341, 438210, 481490, 577788, 722235, 866682, 876420, 962980, 1300023, 1444470, 1733364, 2166705, 2600046, 2888940, 3900069, 4333410, 5200092, 6500115, 7800138, 8666820, 13000230, 15600276, 19500345, 26000460, 39000690, 78001380]

約数ペア:

[(1, 78001380), (2, 39000690), (3, 26000460), (4, 19500345), (5, 15600276), (6, 13000230), (9, 8666820), (10, 7800138), (12, 6500115), (15, 5200092), (18, 4333410), (20, 3900069), (27, 2888940), (30, 2600046), (36, 2166705), (45, 1733364), (54, 1444470), (60, 1300023), (81, 962980), (89, 876420), (90, 866682), (108, 722235), (135, 577788), (162, 481490), (178, 438210), (180, 433341), (267, 292140), (270, 288894), (324, 240745), (356, 219105), (405, 192596), (445, 175284), (534, 146070), (540, 144447), (541, 144180), (801, 97380), (810, 96298), (890, 87642), (1068, 73035), (1082, 72090), (1335, 58428), (1602, 48690), (1620, 48149), (1623, 48060), (1780, 43821), (2164, 36045), (2403, 32460), (2670, 29214), (2705, 28836), (3204, 24345), (3246, 24030), (4005, 19476), (4806, 16230), (4869, 16020), (5340, 14607), (5410, 14418), (6492, 12015), (7209, 10820), (8010, 9738), (8115, 9612)]