15973020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{1811}}^1$

素因数の和:1840

約数の個数: 108

約数和(自身を含む): 56393064

約数和(自身を除く): 40420044

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, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 1811, 2205, 2940, 3622, 4410, 5433, 7244, 8820, 9055, 10866, 12677, 16299, 18110, 21732, 25354, 27165, 32598, 36220, 38031, 50708, 54330, 63385, 65196, 76062, 81495, 88739, 108660, 114093, 126770, 152124, 162990, 177478, 190155, 228186, 253540, 266217, 325980, 354956, 380310, 443695, 456372, 532434, 570465, 760620, 798651, 887390, 1064868, 1140930, 1331085, 1597302, 1774780, 2281860, 2662170, 3194604, 3993255, 5324340, 7986510, 15973020]

約数ペア:

[(1, 15973020), (2, 7986510), (3, 5324340), (4, 3993255), (5, 3194604), (6, 2662170), (7, 2281860), (9, 1774780), (10, 1597302), (12, 1331085), (14, 1140930), (15, 1064868), (18, 887390), (20, 798651), (21, 760620), (28, 570465), (30, 532434), (35, 456372), (36, 443695), (42, 380310), (45, 354956), (49, 325980), (60, 266217), (63, 253540), (70, 228186), (84, 190155), (90, 177478), (98, 162990), (105, 152124), (126, 126770), (140, 114093), (147, 108660), (180, 88739), (196, 81495), (210, 76062), (245, 65196), (252, 63385), (294, 54330), (315, 50708), (420, 38031), (441, 36220), (490, 32598), (588, 27165), (630, 25354), (735, 21732), (882, 18110), (980, 16299), (1260, 12677), (1470, 10866), (1764, 9055), (1811, 8820), (2205, 7244), (2940, 5433), (3622, 4410)]