80208720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6553}}^1$

素因数の和:6589

約数の個数: 120

約数和(自身を含む): 285256296

約数和(自身を除く): 205047576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 6553, 12240, 13106, 19659, 26212, 32765, 39318, 52424, 58977, 65530, 78636, 98295, 104848, 111401, 117954, 131060, 157272, 196590, 222802, 235908, 262120, 294885, 314544, 334203, 393180, 445604, 471816, 524240, 557005, 589770, 668406, 786360, 891208, 943632, 1002609, 1114010, 1179540, 1336812, 1572720, 1671015, 1782416, 2005218, 2228020, 2359080, 2673624, 3342030, 4010436, 4456040, 4718160, 5013045, 5347248, 6684060, 8020872, 8912080, 10026090, 13368120, 16041744, 20052180, 26736240, 40104360, 80208720]

約数ペア:

[(1, 80208720), (2, 40104360), (3, 26736240), (4, 20052180), (5, 16041744), (6, 13368120), (8, 10026090), (9, 8912080), (10, 8020872), (12, 6684060), (15, 5347248), (16, 5013045), (17, 4718160), (18, 4456040), (20, 4010436), (24, 3342030), (30, 2673624), (34, 2359080), (36, 2228020), (40, 2005218), (45, 1782416), (48, 1671015), (51, 1572720), (60, 1336812), (68, 1179540), (72, 1114010), (80, 1002609), (85, 943632), (90, 891208), (102, 786360), (120, 668406), (136, 589770), (144, 557005), (153, 524240), (170, 471816), (180, 445604), (204, 393180), (240, 334203), (255, 314544), (272, 294885), (306, 262120), (340, 235908), (360, 222802), (408, 196590), (510, 157272), (612, 131060), (680, 117954), (720, 111401), (765, 104848), (816, 98295), (1020, 78636), (1224, 65530), (1360, 58977), (1530, 52424), (2040, 39318), (2448, 32765), (3060, 26212), (4080, 19659), (6120, 13106), (6553, 12240)]