80441640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:584

約数の個数: 128

約数和(自身を含む): 270172800

約数和(自身を除く): 189731160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 211, 216, 270, 353, 360, 422, 540, 633, 706, 844, 1055, 1059, 1080, 1266, 1412, 1688, 1765, 1899, 2110, 2118, 2532, 2824, 3165, 3177, 3530, 3798, 4220, 4236, 5064, 5295, 5697, 6330, 6354, 7060, 7596, 8440, 8472, 9495, 9531, 10590, 11394, 12660, 12708, 14120, 15192, 15885, 18990, 19062, 21180, 22788, 25320, 25416, 28485, 31770, 37980, 38124, 42360, 45576, 47655, 56970, 63540, 74483, 75960, 76248, 95310, 113940, 127080, 148966, 190620, 223449, 227880, 297932, 372415, 381240, 446898, 595864, 670347, 744830, 893796, 1117245, 1340694, 1489660, 1787592, 2011041, 2234490, 2681388, 2979320, 3351735, 4022082, 4468980, 5362776, 6703470, 8044164, 8937960, 10055205, 13406940, 16088328, 20110410, 26813880, 40220820, 80441640]

約数ペア:

[(1, 80441640), (2, 40220820), (3, 26813880), (4, 20110410), (5, 16088328), (6, 13406940), (8, 10055205), (9, 8937960), (10, 8044164), (12, 6703470), (15, 5362776), (18, 4468980), (20, 4022082), (24, 3351735), (27, 2979320), (30, 2681388), (36, 2234490), (40, 2011041), (45, 1787592), (54, 1489660), (60, 1340694), (72, 1117245), (90, 893796), (108, 744830), (120, 670347), (135, 595864), (180, 446898), (211, 381240), (216, 372415), (270, 297932), (353, 227880), (360, 223449), (422, 190620), (540, 148966), (633, 127080), (706, 113940), (844, 95310), (1055, 76248), (1059, 75960), (1080, 74483), (1266, 63540), (1412, 56970), (1688, 47655), (1765, 45576), (1899, 42360), (2110, 38124), (2118, 37980), (2532, 31770), (2824, 28485), (3165, 25416), (3177, 25320), (3530, 22788), (3798, 21180), (4220, 19062), (4236, 18990), (5064, 15885), (5295, 15192), (5697, 14120), (6330, 12708), (6354, 12660), (7060, 11394), (7596, 10590), (8440, 9531), (8472, 9495)]