638829180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3259}}^1$

素因数の和:3302

約数の個数: 180

約数和(自身を含む): 2203453560

約数和(自身を除く): 1564624380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 121, 132, 135, 162, 165, 180, 198, 220, 242, 270, 297, 324, 330, 363, 396, 405, 484, 495, 540, 594, 605, 660, 726, 810, 891, 990, 1089, 1188, 1210, 1452, 1485, 1620, 1782, 1815, 1980, 2178, 2420, 2970, 3259, 3267, 3564, 3630, 4356, 4455, 5445, 5940, 6518, 6534, 7260, 8910, 9777, 9801, 10890, 13036, 13068, 16295, 16335, 17820, 19554, 19602, 21780, 29331, 32590, 32670, 35849, 39108, 39204, 48885, 49005, 58662, 65180, 65340, 71698, 87993, 97770, 98010, 107547, 117324, 143396, 146655, 175986, 179245, 195540, 196020, 215094, 263979, 293310, 322641, 351972, 358490, 394339, 430188, 439965, 527958, 537735, 586620, 645282, 716980, 788678, 879930, 967923, 1055916, 1075470, 1183017, 1290564, 1319895, 1577356, 1613205, 1759860, 1935846, 1971695, 2150940, 2366034, 2639790, 2903769, 3226410, 3549051, 3871692, 3943390, 4732068, 4839615, 5279580, 5807538, 5915085, 6452820, 7098102, 7886780, 9679230, 10647153, 11615076, 11830170, 14196204, 14518845, 17745255, 19358460, 21294306, 23660340, 29037690, 31941459, 35490510, 42588612, 53235765, 58075380, 63882918, 70981020, 106471530, 127765836, 159707295, 212943060, 319414590, 638829180]

約数ペア:

[(1, 638829180), (2, 319414590), (3, 212943060), (4, 159707295), (5, 127765836), (6, 106471530), (9, 70981020), (10, 63882918), (11, 58075380), (12, 53235765), (15, 42588612), (18, 35490510), (20, 31941459), (22, 29037690), (27, 23660340), (30, 21294306), (33, 19358460), (36, 17745255), (44, 14518845), (45, 14196204), (54, 11830170), (55, 11615076), (60, 10647153), (66, 9679230), (81, 7886780), (90, 7098102), (99, 6452820), (108, 5915085), (110, 5807538), (121, 5279580), (132, 4839615), (135, 4732068), (162, 3943390), (165, 3871692), (180, 3549051), (198, 3226410), (220, 2903769), (242, 2639790), (270, 2366034), (297, 2150940), (324, 1971695), (330, 1935846), (363, 1759860), (396, 1613205), (405, 1577356), (484, 1319895), (495, 1290564), (540, 1183017), (594, 1075470), (605, 1055916), (660, 967923), (726, 879930), (810, 788678), (891, 716980), (990, 645282), (1089, 586620), (1188, 537735), (1210, 527958), (1452, 439965), (1485, 430188), (1620, 394339), (1782, 358490), (1815, 351972), (1980, 322641), (2178, 293310), (2420, 263979), (2970, 215094), (3259, 196020), (3267, 195540), (3564, 179245), (3630, 175986), (4356, 146655), (4455, 143396), (5445, 117324), (5940, 107547), (6518, 98010), (6534, 97770), (7260, 87993), (8910, 71698), (9777, 65340), (9801, 65180), (10890, 58662), (13036, 49005), (13068, 48885), (16295, 39204), (16335, 39108), (17820, 35849), (19554, 32670), (19602, 32590), (21780, 29331)]