80227980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1616

約数の個数: 144

約数和(自身を含む): 285090624

約数和(自身を除く): 204862644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1553, 1722, 1845, 2460, 2583, 2870, 3106, 3444, 3690, 4305, 4659, 5166, 5740, 6212, 7380, 7765, 8610, 9318, 10332, 10871, 12915, 13977, 15530, 17220, 18636, 21742, 23295, 25830, 27954, 31060, 32613, 43484, 46590, 51660, 54355, 55908, 63673, 65226, 69885, 93180, 97839, 108710, 127346, 130452, 139770, 163065, 191019, 195678, 217420, 254692, 279540, 318365, 326130, 382038, 391356, 445711, 489195, 573057, 636730, 652260, 764076, 891422, 955095, 978390, 1146114, 1273460, 1337133, 1782844, 1910190, 1956780, 2228555, 2292228, 2674266, 2865285, 3820380, 4011399, 4457110, 5348532, 5730570, 6685665, 8022798, 8914220, 11461140, 13371330, 16045596, 20056995, 26742660, 40113990, 80227980]

約数ペア:

[(1, 80227980), (2, 40113990), (3, 26742660), (4, 20056995), (5, 16045596), (6, 13371330), (7, 11461140), (9, 8914220), (10, 8022798), (12, 6685665), (14, 5730570), (15, 5348532), (18, 4457110), (20, 4011399), (21, 3820380), (28, 2865285), (30, 2674266), (35, 2292228), (36, 2228555), (41, 1956780), (42, 1910190), (45, 1782844), (60, 1337133), (63, 1273460), (70, 1146114), (82, 978390), (84, 955095), (90, 891422), (105, 764076), (123, 652260), (126, 636730), (140, 573057), (164, 489195), (180, 445711), (205, 391356), (210, 382038), (246, 326130), (252, 318365), (287, 279540), (315, 254692), (369, 217420), (410, 195678), (420, 191019), (492, 163065), (574, 139770), (615, 130452), (630, 127346), (738, 108710), (820, 97839), (861, 93180), (1148, 69885), (1230, 65226), (1260, 63673), (1435, 55908), (1476, 54355), (1553, 51660), (1722, 46590), (1845, 43484), (2460, 32613), (2583, 31060), (2870, 27954), (3106, 25830), (3444, 23295), (3690, 21742), (4305, 18636), (4659, 17220), (5166, 15530), (5740, 13977), (6212, 12915), (7380, 10871), (7765, 10332), (8610, 9318)]