51163020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 164166912

約数和(自身を除く): 113003892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 53, 60, 62, 90, 93, 106, 124, 155, 159, 173, 180, 186, 212, 265, 279, 310, 318, 346, 372, 465, 477, 519, 530, 558, 620, 636, 692, 795, 865, 930, 954, 1038, 1060, 1116, 1395, 1557, 1590, 1643, 1730, 1860, 1908, 2076, 2385, 2595, 2790, 3114, 3180, 3286, 3460, 4770, 4929, 5190, 5363, 5580, 6228, 6572, 7785, 8215, 9169, 9540, 9858, 10380, 10726, 14787, 15570, 16089, 16430, 18338, 19716, 21452, 24645, 26815, 27507, 29574, 31140, 32178, 32860, 36676, 45845, 48267, 49290, 53630, 55014, 59148, 64356, 73935, 80445, 82521, 91690, 96534, 98580, 107260, 110028, 137535, 147870, 160890, 165042, 183380, 193068, 241335, 275070, 284239, 295740, 321780, 330084, 412605, 482670, 550140, 568478, 825210, 852717, 965340, 1136956, 1421195, 1650420, 1705434, 2558151, 2842390, 3410868, 4263585, 5116302, 5684780, 8527170, 10232604, 12790755, 17054340, 25581510, 51163020]

約数ペア:

[(1, 51163020), (2, 25581510), (3, 17054340), (4, 12790755), (5, 10232604), (6, 8527170), (9, 5684780), (10, 5116302), (12, 4263585), (15, 3410868), (18, 2842390), (20, 2558151), (30, 1705434), (31, 1650420), (36, 1421195), (45, 1136956), (53, 965340), (60, 852717), (62, 825210), (90, 568478), (93, 550140), (106, 482670), (124, 412605), (155, 330084), (159, 321780), (173, 295740), (180, 284239), (186, 275070), (212, 241335), (265, 193068), (279, 183380), (310, 165042), (318, 160890), (346, 147870), (372, 137535), (465, 110028), (477, 107260), (519, 98580), (530, 96534), (558, 91690), (620, 82521), (636, 80445), (692, 73935), (795, 64356), (865, 59148), (930, 55014), (954, 53630), (1038, 49290), (1060, 48267), (1116, 45845), (1395, 36676), (1557, 32860), (1590, 32178), (1643, 31140), (1730, 29574), (1860, 27507), (1908, 26815), (2076, 24645), (2385, 21452), (2595, 19716), (2790, 18338), (3114, 16430), (3180, 16089), (3286, 15570), (3460, 14787), (4770, 10726), (4929, 10380), (5190, 9858), (5363, 9540), (5580, 9169), (6228, 8215), (6572, 7785)]