16217820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 52835328

約数和(自身を除く): 36617508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 71, 81, 90, 94, 108, 135, 141, 142, 162, 180, 188, 213, 235, 243, 270, 282, 284, 324, 355, 405, 423, 426, 470, 486, 540, 564, 639, 705, 710, 810, 846, 852, 940, 972, 1065, 1215, 1269, 1278, 1410, 1420, 1620, 1692, 1917, 2115, 2130, 2430, 2538, 2556, 2820, 3195, 3337, 3807, 3834, 4230, 4260, 4860, 5076, 5751, 6345, 6390, 6674, 7614, 7668, 8460, 9585, 10011, 11421, 11502, 12690, 12780, 13348, 15228, 16685, 17253, 19035, 19170, 20022, 22842, 23004, 25380, 28755, 30033, 33370, 34506, 38070, 38340, 40044, 45684, 50055, 57105, 57510, 60066, 66740, 69012, 76140, 86265, 90099, 100110, 114210, 115020, 120132, 150165, 172530, 180198, 200220, 228420, 270297, 300330, 345060, 360396, 450495, 540594, 600660, 810891, 900990, 1081188, 1351485, 1621782, 1801980, 2702970, 3243564, 4054455, 5405940, 8108910, 16217820]

約数ペア:

[(1, 16217820), (2, 8108910), (3, 5405940), (4, 4054455), (5, 3243564), (6, 2702970), (9, 1801980), (10, 1621782), (12, 1351485), (15, 1081188), (18, 900990), (20, 810891), (27, 600660), (30, 540594), (36, 450495), (45, 360396), (47, 345060), (54, 300330), (60, 270297), (71, 228420), (81, 200220), (90, 180198), (94, 172530), (108, 150165), (135, 120132), (141, 115020), (142, 114210), (162, 100110), (180, 90099), (188, 86265), (213, 76140), (235, 69012), (243, 66740), (270, 60066), (282, 57510), (284, 57105), (324, 50055), (355, 45684), (405, 40044), (423, 38340), (426, 38070), (470, 34506), (486, 33370), (540, 30033), (564, 28755), (639, 25380), (705, 23004), (710, 22842), (810, 20022), (846, 19170), (852, 19035), (940, 17253), (972, 16685), (1065, 15228), (1215, 13348), (1269, 12780), (1278, 12690), (1410, 11502), (1420, 11421), (1620, 10011), (1692, 9585), (1917, 8460), (2115, 7668), (2130, 7614), (2430, 6674), (2538, 6390), (2556, 6345), (2820, 5751), (3195, 5076), (3337, 4860), (3807, 4260), (3834, 4230)]