278375940

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 168

約数和(自身を含む): 893698008

約数和(自身を除く): 615322068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 243, 244, 270, 305, 313, 324, 366, 405, 486, 540, 549, 610, 626, 729, 732, 810, 915, 939, 972, 1098, 1215, 1220, 1252, 1458, 1565, 1620, 1647, 1830, 1878, 2196, 2430, 2745, 2817, 2916, 3130, 3294, 3645, 3660, 3756, 4695, 4860, 4941, 5490, 5634, 6260, 6588, 7290, 8235, 8451, 9390, 9882, 10980, 11268, 14085, 14580, 14823, 16470, 16902, 18780, 19093, 19764, 24705, 25353, 28170, 29646, 32940, 33804, 38186, 42255, 44469, 49410, 50706, 56340, 57279, 59292, 74115, 76059, 76372, 84510, 88938, 95465, 98820, 101412, 114558, 126765, 148230, 152118, 169020, 171837, 177876, 190930, 222345, 228177, 229116, 253530, 286395, 296460, 304236, 343674, 380295, 381860, 444690, 456354, 507060, 515511, 572790, 687348, 760590, 859185, 889380, 912708, 1031022, 1140885, 1145580, 1521180, 1546533, 1718370, 2062044, 2281770, 2577555, 3093066, 3436740, 4563540, 4639599, 5155110, 6186132, 7732665, 9279198, 10310220, 13918797, 15465330, 18558396, 23197995, 27837594, 30930660, 46395990, 55675188, 69593985, 92791980, 139187970, 278375940]

約数ペア:

[(1, 278375940), (2, 139187970), (3, 92791980), (4, 69593985), (5, 55675188), (6, 46395990), (9, 30930660), (10, 27837594), (12, 23197995), (15, 18558396), (18, 15465330), (20, 13918797), (27, 10310220), (30, 9279198), (36, 7732665), (45, 6186132), (54, 5155110), (60, 4639599), (61, 4563540), (81, 3436740), (90, 3093066), (108, 2577555), (122, 2281770), (135, 2062044), (162, 1718370), (180, 1546533), (183, 1521180), (243, 1145580), (244, 1140885), (270, 1031022), (305, 912708), (313, 889380), (324, 859185), (366, 760590), (405, 687348), (486, 572790), (540, 515511), (549, 507060), (610, 456354), (626, 444690), (729, 381860), (732, 380295), (810, 343674), (915, 304236), (939, 296460), (972, 286395), (1098, 253530), (1215, 229116), (1220, 228177), (1252, 222345), (1458, 190930), (1565, 177876), (1620, 171837), (1647, 169020), (1830, 152118), (1878, 148230), (2196, 126765), (2430, 114558), (2745, 101412), (2817, 98820), (2916, 95465), (3130, 88938), (3294, 84510), (3645, 76372), (3660, 76059), (3756, 74115), (4695, 59292), (4860, 57279), (4941, 56340), (5490, 50706), (5634, 49410), (6260, 44469), (6588, 42255), (7290, 38186), (8235, 33804), (8451, 32940), (9390, 29646), (9882, 28170), (10980, 25353), (11268, 24705), (14085, 19764), (14580, 19093), (14823, 18780), (16470, 16902)]