75980380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 199487232

約数和(自身を除く): 123506852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 49, 61, 62, 70, 82, 98, 122, 124, 140, 155, 164, 196, 205, 217, 244, 245, 287, 305, 310, 410, 427, 434, 490, 574, 610, 620, 820, 854, 868, 980, 1085, 1148, 1220, 1271, 1435, 1519, 1708, 1891, 2009, 2135, 2170, 2501, 2542, 2870, 2989, 3038, 3782, 4018, 4270, 4340, 5002, 5084, 5740, 5978, 6076, 6355, 7564, 7595, 8036, 8540, 8897, 9455, 10004, 10045, 11956, 12505, 12710, 13237, 14945, 15190, 17507, 17794, 18910, 20090, 25010, 25420, 26474, 29890, 30380, 35014, 35588, 37820, 40180, 44485, 50020, 52948, 59780, 62279, 66185, 70028, 77531, 87535, 88970, 92659, 122549, 124558, 132370, 155062, 175070, 177940, 185318, 245098, 249116, 264740, 310124, 311395, 350140, 370636, 387655, 463295, 490196, 542717, 612745, 622790, 775310, 926590, 1085434, 1225490, 1245580, 1550620, 1853180, 2170868, 2450980, 2713585, 3799019, 5427170, 7598038, 10854340, 15196076, 18995095, 37990190, 75980380]

約数ペア:

[(1, 75980380), (2, 37990190), (4, 18995095), (5, 15196076), (7, 10854340), (10, 7598038), (14, 5427170), (20, 3799019), (28, 2713585), (31, 2450980), (35, 2170868), (41, 1853180), (49, 1550620), (61, 1245580), (62, 1225490), (70, 1085434), (82, 926590), (98, 775310), (122, 622790), (124, 612745), (140, 542717), (155, 490196), (164, 463295), (196, 387655), (205, 370636), (217, 350140), (244, 311395), (245, 310124), (287, 264740), (305, 249116), (310, 245098), (410, 185318), (427, 177940), (434, 175070), (490, 155062), (574, 132370), (610, 124558), (620, 122549), (820, 92659), (854, 88970), (868, 87535), (980, 77531), (1085, 70028), (1148, 66185), (1220, 62279), (1271, 59780), (1435, 52948), (1519, 50020), (1708, 44485), (1891, 40180), (2009, 37820), (2135, 35588), (2170, 35014), (2501, 30380), (2542, 29890), (2870, 26474), (2989, 25420), (3038, 25010), (3782, 20090), (4018, 18910), (4270, 17794), (4340, 17507), (5002, 15190), (5084, 14945), (5740, 13237), (5978, 12710), (6076, 12505), (6355, 11956), (7564, 10045), (7595, 10004), (8036, 9455), (8540, 8897)]