79540020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63127}}^1$

素因数の和:63149

約数の個数: 72

約数和(自身を含む): 275743104

約数和(自身を除く): 196203084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63127, 126254, 189381, 252508, 315635, 378762, 441889, 568143, 631270, 757524, 883778, 946905, 1136286, 1262540, 1325667, 1767556, 1893810, 2209445, 2272572, 2651334, 2840715, 3787620, 3977001, 4418890, 5302668, 5681430, 6628335, 7954002, 8837780, 11362860, 13256670, 15908004, 19885005, 26513340, 39770010, 79540020]

約数ペア:

[(1, 79540020), (2, 39770010), (3, 26513340), (4, 19885005), (5, 15908004), (6, 13256670), (7, 11362860), (9, 8837780), (10, 7954002), (12, 6628335), (14, 5681430), (15, 5302668), (18, 4418890), (20, 3977001), (21, 3787620), (28, 2840715), (30, 2651334), (35, 2272572), (36, 2209445), (42, 1893810), (45, 1767556), (60, 1325667), (63, 1262540), (70, 1136286), (84, 946905), (90, 883778), (105, 757524), (126, 631270), (140, 568143), (180, 441889), (210, 378762), (252, 315635), (315, 252508), (420, 189381), (630, 126254), (1260, 63127)]