2018012940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{419}}^1\times {\mathrm{991}}^1$

素因数の和:1434

約数の個数: 144

約数和(自身を含む): 6369592320

約数和(自身を除く): 4351579380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 419, 486, 540, 810, 838, 972, 991, 1215, 1257, 1620, 1676, 1982, 2095, 2430, 2514, 2973, 3771, 3964, 4190, 4860, 4955, 5028, 5946, 6285, 7542, 8380, 8919, 9910, 11313, 11892, 12570, 14865, 15084, 17838, 18855, 19820, 22626, 25140, 26757, 29730, 33939, 35676, 37710, 44595, 45252, 53514, 56565, 59460, 67878, 75420, 80271, 89190, 101817, 107028, 113130, 133785, 135756, 160542, 169695, 178380, 203634, 226260, 240813, 267570, 321084, 339390, 401355, 407268, 415229, 481626, 509085, 535140, 678780, 802710, 830458, 963252, 1018170, 1204065, 1245687, 1605420, 1660916, 2036340, 2076145, 2408130, 2491374, 3737061, 4152290, 4816260, 4982748, 6228435, 7474122, 8304580, 11211183, 12456870, 14948244, 18685305, 22422366, 24913740, 33633549, 37370610, 44844732, 56055915, 67267098, 74741220, 100900647, 112111830, 134534196, 168167745, 201801294, 224223660, 336335490, 403602588, 504503235, 672670980, 1009006470, 2018012940]

約数ペア:

[(1, 2018012940), (2, 1009006470), (3, 672670980), (4, 504503235), (5, 403602588), (6, 336335490), (9, 224223660), (10, 201801294), (12, 168167745), (15, 134534196), (18, 112111830), (20, 100900647), (27, 74741220), (30, 67267098), (36, 56055915), (45, 44844732), (54, 37370610), (60, 33633549), (81, 24913740), (90, 22422366), (108, 18685305), (135, 14948244), (162, 12456870), (180, 11211183), (243, 8304580), (270, 7474122), (324, 6228435), (405, 4982748), (419, 4816260), (486, 4152290), (540, 3737061), (810, 2491374), (838, 2408130), (972, 2076145), (991, 2036340), (1215, 1660916), (1257, 1605420), (1620, 1245687), (1676, 1204065), (1982, 1018170), (2095, 963252), (2430, 830458), (2514, 802710), (2973, 678780), (3771, 535140), (3964, 509085), (4190, 481626), (4860, 415229), (4955, 407268), (5028, 401355), (5946, 339390), (6285, 321084), (7542, 267570), (8380, 240813), (8919, 226260), (9910, 203634), (11313, 178380), (11892, 169695), (12570, 160542), (14865, 135756), (15084, 133785), (17838, 113130), (18855, 107028), (19820, 101817), (22626, 89190), (25140, 80271), (26757, 75420), (29730, 67878), (33939, 59460), (35676, 56565), (37710, 53514), (44595, 45252)]