80870580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 216

約数和(自身を含む): 292422312

約数和(自身を除く): 211551732

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 53, 60, 63, 70, 84, 90, 98, 105, 106, 126, 140, 147, 159, 173, 180, 196, 210, 212, 245, 252, 265, 294, 315, 318, 346, 371, 420, 441, 477, 490, 519, 530, 588, 630, 636, 692, 735, 742, 795, 865, 882, 954, 980, 1038, 1060, 1113, 1211, 1260, 1470, 1484, 1557, 1590, 1730, 1764, 1855, 1908, 2076, 2205, 2226, 2385, 2422, 2595, 2597, 2940, 3114, 3180, 3339, 3460, 3633, 3710, 4410, 4452, 4770, 4844, 5190, 5194, 5565, 6055, 6228, 6678, 7266, 7420, 7785, 7791, 8477, 8820, 9169, 9540, 10380, 10388, 10899, 11130, 12110, 12985, 13356, 14532, 15570, 15582, 16695, 16954, 18165, 18338, 21798, 22260, 23373, 24220, 25431, 25970, 27507, 31140, 31164, 33390, 33908, 36330, 36676, 38955, 42385, 43596, 45845, 46746, 50862, 51940, 54495, 55014, 64183, 66780, 72660, 76293, 77910, 82521, 84770, 91690, 93492, 101724, 108990, 110028, 116865, 127155, 128366, 137535, 152586, 155820, 165042, 169540, 183380, 192549, 217980, 233730, 254310, 256732, 275070, 305172, 320915, 330084, 381465, 385098, 412605, 449281, 467460, 508620, 550140, 577647, 641830, 762930, 770196, 825210, 898562, 962745, 1155294, 1283660, 1347843, 1525860, 1650420, 1797124, 1925490, 2246405, 2310588, 2695686, 2888235, 3850980, 4043529, 4492810, 5391372, 5776470, 6739215, 8087058, 8985620, 11552940, 13478430, 16174116, 20217645, 26956860, 40435290, 80870580]

約数ペア:

[(1, 80870580), (2, 40435290), (3, 26956860), (4, 20217645), (5, 16174116), (6, 13478430), (7, 11552940), (9, 8985620), (10, 8087058), (12, 6739215), (14, 5776470), (15, 5391372), (18, 4492810), (20, 4043529), (21, 3850980), (28, 2888235), (30, 2695686), (35, 2310588), (36, 2246405), (42, 1925490), (45, 1797124), (49, 1650420), (53, 1525860), (60, 1347843), (63, 1283660), (70, 1155294), (84, 962745), (90, 898562), (98, 825210), (105, 770196), (106, 762930), (126, 641830), (140, 577647), (147, 550140), (159, 508620), (173, 467460), (180, 449281), (196, 412605), (210, 385098), (212, 381465), (245, 330084), (252, 320915), (265, 305172), (294, 275070), (315, 256732), (318, 254310), (346, 233730), (371, 217980), (420, 192549), (441, 183380), (477, 169540), (490, 165042), (519, 155820), (530, 152586), (588, 137535), (630, 128366), (636, 127155), (692, 116865), (735, 110028), (742, 108990), (795, 101724), (865, 93492), (882, 91690), (954, 84770), (980, 82521), (1038, 77910), (1060, 76293), (1113, 72660), (1211, 66780), (1260, 64183), (1470, 55014), (1484, 54495), (1557, 51940), (1590, 50862), (1730, 46746), (1764, 45845), (1855, 43596), (1908, 42385), (2076, 38955), (2205, 36676), (2226, 36330), (2385, 33908), (2422, 33390), (2595, 31164), (2597, 31140), (2940, 27507), (3114, 25970), (3180, 25431), (3339, 24220), (3460, 23373), (3633, 22260), (3710, 21798), (4410, 18338), (4452, 18165), (4770, 16954), (4844, 16695), (5190, 15582), (5194, 15570), (5565, 14532), (6055, 13356), (6228, 12985), (6678, 12110), (7266, 11130), (7420, 10899), (7785, 10388), (7791, 10380), (8477, 9540), (8820, 9169)]