72820860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 264757248

約数和(自身を除く): 191936388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 31, 34, 35, 42, 47, 49, 51, 60, 62, 68, 70, 84, 85, 93, 94, 98, 102, 105, 119, 124, 140, 141, 147, 155, 170, 186, 188, 196, 204, 210, 217, 235, 238, 245, 255, 282, 294, 310, 329, 340, 357, 372, 420, 434, 465, 470, 476, 490, 510, 527, 564, 588, 595, 620, 651, 658, 705, 714, 735, 799, 833, 868, 930, 940, 980, 987, 1020, 1054, 1085, 1190, 1302, 1316, 1410, 1428, 1457, 1470, 1519, 1581, 1598, 1645, 1666, 1785, 1860, 1974, 2108, 2170, 2303, 2380, 2397, 2499, 2604, 2635, 2820, 2914, 2940, 3038, 3162, 3196, 3255, 3290, 3332, 3570, 3689, 3948, 3995, 4165, 4340, 4371, 4557, 4606, 4794, 4935, 4998, 5270, 5593, 5828, 6076, 6324, 6510, 6580, 6909, 7140, 7285, 7378, 7595, 7905, 7990, 8330, 8742, 9114, 9212, 9588, 9870, 9996, 10199, 10540, 11067, 11186, 11515, 11985, 12495, 13020, 13818, 14570, 14756, 15190, 15810, 15980, 16660, 16779, 17484, 18228, 18445, 19740, 20398, 21855, 22134, 22372, 22785, 23030, 23970, 24769, 24990, 25823, 27636, 27965, 29140, 30380, 30597, 31620, 33558, 34545, 36890, 39151, 40796, 43710, 44268, 45570, 46060, 47940, 49538, 49980, 50995, 51646, 55335, 55930, 61194, 67116, 69090, 71393, 73780, 74307, 77469, 78302, 83895, 87420, 91140, 99076, 101990, 103292, 110670, 111860, 117453, 122388, 123845, 129115, 138180, 142786, 148614, 152985, 154938, 156604, 167790, 173383, 195755, 203980, 214179, 221340, 234906, 247690, 258230, 285572, 297228, 305970, 309876, 335580, 346766, 356965, 371535, 387345, 391510, 428358, 469812, 495380, 516460, 520149, 587265, 611940, 693532, 713930, 743070, 774690, 783020, 856716, 866915, 1040298, 1070895, 1174530, 1213681, 1427860, 1486140, 1549380, 1733830, 2080596, 2141790, 2349060, 2427362, 2600745, 3467660, 3641043, 4283580, 4854724, 5201490, 6068405, 7282086, 10402980, 12136810, 14564172, 18205215, 24273620, 36410430, 72820860]

約数ペア:

[(1, 72820860), (2, 36410430), (3, 24273620), (4, 18205215), (5, 14564172), (6, 12136810), (7, 10402980), (10, 7282086), (12, 6068405), (14, 5201490), (15, 4854724), (17, 4283580), (20, 3641043), (21, 3467660), (28, 2600745), (30, 2427362), (31, 2349060), (34, 2141790), (35, 2080596), (42, 1733830), (47, 1549380), (49, 1486140), (51, 1427860), (60, 1213681), (62, 1174530), (68, 1070895), (70, 1040298), (84, 866915), (85, 856716), (93, 783020), (94, 774690), (98, 743070), (102, 713930), (105, 693532), (119, 611940), (124, 587265), (140, 520149), (141, 516460), (147, 495380), (155, 469812), (170, 428358), (186, 391510), (188, 387345), (196, 371535), (204, 356965), (210, 346766), (217, 335580), (235, 309876), (238, 305970), (245, 297228), (255, 285572), (282, 258230), (294, 247690), (310, 234906), (329, 221340), (340, 214179), (357, 203980), (372, 195755), (420, 173383), (434, 167790), (465, 156604), (470, 154938), (476, 152985), (490, 148614), (510, 142786), (527, 138180), (564, 129115), (588, 123845), (595, 122388), (620, 117453), (651, 111860), (658, 110670), (705, 103292), (714, 101990), (735, 99076), (799, 91140), (833, 87420), (868, 83895), (930, 78302), (940, 77469), (980, 74307), (987, 73780), (1020, 71393), (1054, 69090), (1085, 67116), (1190, 61194), (1302, 55930), (1316, 55335), (1410, 51646), (1428, 50995), (1457, 49980), (1470, 49538), (1519, 47940), (1581, 46060), (1598, 45570), (1645, 44268), (1666, 43710), (1785, 40796), (1860, 39151), (1974, 36890), (2108, 34545), (2170, 33558), (2303, 31620), (2380, 30597), (2397, 30380), (2499, 29140), (2604, 27965), (2635, 27636), (2820, 25823), (2914, 24990), (2940, 24769), (3038, 23970), (3162, 23030), (3196, 22785), (3255, 22372), (3290, 22134), (3332, 21855), (3570, 20398), (3689, 19740), (3948, 18445), (3995, 18228), (4165, 17484), (4340, 16779), (4371, 16660), (4557, 15980), (4606, 15810), (4794, 15190), (4935, 14756), (4998, 14570), (5270, 13818), (5593, 13020), (5828, 12495), (6076, 11985), (6324, 11515), (6510, 11186), (6580, 11067), (6909, 10540), (7140, 10199), (7285, 9996), (7378, 9870), (7595, 9588), (7905, 9212), (7990, 9114), (8330, 8742)]