278404631460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{209267}}^1$

素因数の和:209690

約数の個数: 144

約数和(自身を含む): 891230558400

約数和(自身を除く): 612825926940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 389, 570, 684, 778, 855, 1140, 1167, 1556, 1710, 1945, 2334, 3420, 3501, 3890, 4668, 5835, 7002, 7391, 7780, 11670, 14004, 14782, 17505, 22173, 23340, 29564, 35010, 36955, 44346, 66519, 70020, 73910, 88692, 110865, 133038, 147820, 209267, 221730, 266076, 332595, 418534, 443460, 627801, 665190, 837068, 1046335, 1255602, 1330380, 1883403, 2092670, 2511204, 3139005, 3766806, 3976073, 4185340, 6278010, 7533612, 7952146, 9417015, 11928219, 12556020, 15904292, 18834030, 19880365, 23856438, 35784657, 37668060, 39760730, 47712876, 59641095, 71569314, 79521460, 81404863, 119282190, 143138628, 162809726, 178923285, 238564380, 244214589, 325619452, 357846570, 407024315, 488429178, 715693140, 732643767, 814048630, 976858356, 1221072945, 1465287534, 1546692397, 1628097260, 2442145890, 2930575068, 3093384794, 3663218835, 4640077191, 4884291780, 6186769588, 7326437670, 7733461985, 9280154382, 13920231573, 14652875340, 15466923970, 18560308764, 23200385955, 27840463146, 30933847940, 46400771910, 55680926292, 69601157865, 92801543820, 139202315730, 278404631460]

約数ペア:

[(1, 278404631460), (2, 139202315730), (3, 92801543820), (4, 69601157865), (5, 55680926292), (6, 46400771910), (9, 30933847940), (10, 27840463146), (12, 23200385955), (15, 18560308764), (18, 15466923970), (19, 14652875340), (20, 13920231573), (30, 9280154382), (36, 7733461985), (38, 7326437670), (45, 6186769588), (57, 4884291780), (60, 4640077191), (76, 3663218835), (90, 3093384794), (95, 2930575068), (114, 2442145890), (171, 1628097260), (180, 1546692397), (190, 1465287534), (228, 1221072945), (285, 976858356), (342, 814048630), (380, 732643767), (389, 715693140), (570, 488429178), (684, 407024315), (778, 357846570), (855, 325619452), (1140, 244214589), (1167, 238564380), (1556, 178923285), (1710, 162809726), (1945, 143138628), (2334, 119282190), (3420, 81404863), (3501, 79521460), (3890, 71569314), (4668, 59641095), (5835, 47712876), (7002, 39760730), (7391, 37668060), (7780, 35784657), (11670, 23856438), (14004, 19880365), (14782, 18834030), (17505, 15904292), (22173, 12556020), (23340, 11928219), (29564, 9417015), (35010, 7952146), (36955, 7533612), (44346, 6278010), (66519, 4185340), (70020, 3976073), (73910, 3766806), (88692, 3139005), (110865, 2511204), (133038, 2092670), (147820, 1883403), (209267, 1330380), (221730, 1255602), (266076, 1046335), (332595, 837068), (418534, 665190), (443460, 627801)]