78691680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54647}}^1$

素因数の和:54668

約数の個数: 72

約数和(自身を含む): 268540272

約数和(自身を除く): 189848592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54647, 109294, 163941, 218588, 273235, 327882, 437176, 491823, 546470, 655764, 819705, 874352, 983646, 1092940, 1311528, 1639410, 1748704, 1967292, 2185880, 2459115, 2623056, 3278820, 3934584, 4371760, 4918230, 5246112, 6557640, 7869168, 8743520, 9836460, 13115280, 15738336, 19672920, 26230560, 39345840, 78691680]

約数ペア:

[(1, 78691680), (2, 39345840), (3, 26230560), (4, 19672920), (5, 15738336), (6, 13115280), (8, 9836460), (9, 8743520), (10, 7869168), (12, 6557640), (15, 5246112), (16, 4918230), (18, 4371760), (20, 3934584), (24, 3278820), (30, 2623056), (32, 2459115), (36, 2185880), (40, 1967292), (45, 1748704), (48, 1639410), (60, 1311528), (72, 1092940), (80, 983646), (90, 874352), (96, 819705), (120, 655764), (144, 546470), (160, 491823), (180, 437176), (240, 327882), (288, 273235), (360, 218588), (480, 163941), (720, 109294), (1440, 54647)]